57313536 has 108 divisors (see below), whose sum is σ = 177558192. Its totient is φ = 16364544.

The previous prime is 57313507. The next prime is 57313537. The reversal of 57313536 is 63531375.

It is a junction number, because it is equal to n+sod(n) for n = 57313497 and 57313506.

It is not an unprimeable number, because it can be changed into a prime (57313537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36871 + ... + 38393.

Almost surely, 2^57313536 is an apocalyptic number.

57313536 is a gapful number since it is divisible by the number (56) 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 57313536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88779096).

57313536 is an abundant number, since it is smaller than the sum of its proper divisors (120244656).

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

57313536 is a wasteful number, since it uses less digits than its factorization.

57313536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1535 counting only the distinct ones).

The product of its digits is 28350, while the sum is 33.

The square root of 57313536 is about 7570.5703880223. The cubic root of 57313536 is about 385.5544628078.

The spelling of 57313536 in words is "fifty-seven million, three hundred thirteen thousand, five hundred thirty-six".