57106536 has 32 divisors (see below), whose sum is σ = 151165440. Its totient is φ = 17915648.

The previous prime is 57106523. The next prime is 57106589. The reversal of 57106536 is 63560175.

It is a super-2 number, since 2×57106536² = 6522312907838592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57106497 and 57106506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69576 + ... + 70391.

It is an arithmetic number, because the mean of its divisors is an integer number (4723920).

Almost surely, 2^57106536 is an apocalyptic number.

It is an amenable number.

57106536 is an abundant number, since it is smaller than the sum of its proper divisors (94058904).

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

57106536 is a wasteful number, since it uses less digits than its factorization.

57106536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139993 (or 139989 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 57106536 is about 7556.8866605236. The cubic root of 57106536 is about 385.0897322749.

It can be divided in two parts, 5710 and 6536, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 57106536 in words is "fifty-seven million, one hundred six thousand, five hundred thirty-six".