57236536 has 32 divisors (see below), whose sum is σ = 123187680. Its totient is φ = 24422400.

The previous prime is 57236513. The next prime is 57236563. The reversal of 57236536 is 63563275.

It is a happy number.

57236536 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 = 57236495 and 57236504.

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 7 ways as a sum of consecutive naturals, for example, 11376 + ... + 15616.

It is an arithmetic number, because the mean of its divisors is an integer number (3849615).

Almost surely, 2^57236536 is an apocalyptic number.

57236536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57236536 is an abundant number, since it is smaller than the sum of its proper divisors (65951144).

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

57236536 is a wasteful number, since it uses less digits than its factorization.

57236536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495 (or 4491 counting only the distinct ones).

The product of its digits is 113400, while the sum is 37.

The square root of 57236536 is about 7565.4831967297. The cubic root of 57236536 is about 385.3817229360.

The spelling of 57236536 in words is "fifty-seven million, two hundred thirty-six thousand, five hundred thirty-six".