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53725872 = 2435961311
BaseRepresentation
bin1100110011110…
…0101010110000
310202002120001010
43030330222300
5102223211442
65155310520
71221443124
oct314745260
9122076033
1053725872
1128366052
1215bab440
13b191275
1471c7584
154ab3b9c
hex333cab0

53725872 has 80 divisors (see below), whose sum is σ = 143919360. Its totient is φ = 17260800.

The previous prime is 53725853. The next prime is 53725873. The reversal of 53725872 is 27852735.

53725872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53725872.

It is not an unprimeable number, because it can be changed into a prime (53725873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172597 + ... + 172907.

It is an arithmetic number, because the mean of its divisors is an integer number (1798992).

Almost surely, 253725872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53725872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71959680).

53725872 is an abundant number, since it is smaller than the sum of its proper divisors (90193488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53725872 is a wasteful number, since it uses less digits than its factorization.

53725872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 436 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 53725872 is about 7329.7934486587. The cubic root of 53725872 is about 377.3356377001.

The spelling of 53725872 in words is "fifty-three million, seven hundred twenty-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 59 61 118 122 177 183 236 244 311 354 366 472 488 622 708 732 933 944 976 1244 1416 1464 1866 2488 2832 2928 3599 3732 4976 7198 7464 10797 14396 14928 18349 18971 21594 28792 36698 37942 43188 55047 56913 57584 73396 75884 86376 110094 113826 146792 151768 172752 220188 227652 293584 303536 440376 455304 880752 910608 1119289 2238578 3357867 4477156 6715734 8954312 13431468 17908624 26862936 53725872