57656052 has 54 divisors (see below), whose sum is σ = 148136534. Its totient is φ = 18907200.

The previous prime is 57656029. The next prime is 57656059. The reversal of 57656052 is 25065675.

It can be written as a sum of positive squares in 3 ways, for example, as 33802596 + 23853456 = 5814^2 + 4884^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 57655998 and 57656016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57656059) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 367158 + ... + 367314.

Almost surely, 2^57656052 is an apocalyptic number.

It is an amenable number.

57656052 is an abundant number, since it is smaller than the sum of its proper divisors (90480482).

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

57656052 is a wasteful number, since it uses less digits than its factorization.

57656052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 57656052 is about 7593.1582362019. The cubic root of 57656052 is about 386.3209854767.

The spelling of 57656052 in words is "fifty-seven million, six hundred fifty-six thousand, fifty-two".