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53878552 = 2371325693
BaseRepresentation
bin1100110110000…
…1111100011000
310202101022110221
43031201330120
5102243103202
65202445424
71222650220
oct315417430
9122338427
1053878552
112845a832
1216063874
13b215900
147227080
154ae4037
hex3361f18

53878552 has 48 divisors (see below), whose sum is σ = 125040240. Its totient is φ = 21310848.

The previous prime is 53878523. The next prime is 53878567. The reversal of 53878552 is 25587835.

53878552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53878499 and 53878508.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6618 + ... + 12310.

It is an arithmetic number, because the mean of its divisors is an integer number (2605005).

Almost surely, 253878552 is an apocalyptic number.

53878552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53878552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62520120).

53878552 is an abundant number, since it is smaller than the sum of its proper divisors (71161688).

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

53878552 is a wasteful number, since it uses less digits than its factorization.

53878552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732 (or 5715 counting only the distinct ones).

The product of its digits is 336000, while the sum is 43.

The square root of 53878552 is about 7340.2010871638. The cubic root of 53878552 is about 377.6927413624.

The spelling of 53878552 in words is "fifty-three million, eight hundred seventy-eight thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 169 182 338 364 676 728 1183 1352 2366 4732 5693 9464 11386 22772 39851 45544 74009 79702 148018 159404 296036 318808 518063 592072 962117 1036126 1924234 2072252 3848468 4144504 6734819 7696936 13469638 26939276 53878552