57005356 has 12 divisors (see below), whose sum is σ = 99885520. Its totient is φ = 28466640.

The previous prime is 57005323. The next prime is 57005359. The reversal of 57005356 is 65350075.

It is a super-2 number, since 2×57005356² = 6499221225373472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57005359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5280 + ... + 11911.

Almost surely, 2^57005356 is an apocalyptic number.

It is an amenable number.

57005356 is a deficient number, since it is larger than the sum of its proper divisors (42880164).

57005356 is a wasteful number, since it uses less digits than its factorization.

57005356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18024 (or 18022 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 57005356 is about 7550.1891367038. The cubic root of 57005356 is about 384.8621668859.

The spelling of 57005356 in words is "fifty-seven million, five thousand, three hundred fifty-six".