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53322808 = 23711107809
BaseRepresentation
bin1100101101101…
…0010000111000
310201100002010211
43023122100320
5102122312213
65142520504
71215144040
oct313322070
9121302124
1053322808
1128110240
1215a36134
13b07c976
147120720
154a3453d
hex32da438

53322808 has 64 divisors (see below), whose sum is σ = 125971200. Its totient is φ = 20555520.

The previous prime is 53322803. The next prime is 53322811. The reversal of 53322808 is 80822335.

It is a self number, because there is not a number n which added to its sum of digits gives 53322808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53322803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65508 + ... + 66316.

It is an arithmetic number, because the mean of its divisors is an integer number (1968300).

Almost surely, 253322808 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 53322808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62985600).

53322808 is an abundant number, since it is smaller than the sum of its proper divisors (72648392).

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

53322808 is a wasteful number, since it uses less digits than its factorization.

53322808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 53322808 is about 7302.2467775336. The cubic root of 53322808 is about 376.3896481286.

The spelling of 53322808 in words is "fifty-three million, three hundred twenty-two thousand, eight hundred eight".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 107 154 214 308 428 616 749 809 856 1177 1498 1618 2354 2996 3236 4708 5663 5992 6472 8239 8899 9416 11326 16478 17798 22652 32956 35596 45304 62293 65912 71192 86563 124586 173126 249172 346252 498344 605941 692504 952193 1211882 1904386 2423764 3808772 4847528 6665351 7617544 13330702 26661404 53322808