57733744656 has 40 divisors (see below), whose sum is σ = 170452009024. Its totient is φ = 16495355520.

The previous prime is 57733744639. The next prime is 57733744681. The reversal of 57733744656 is 65644733775.

It is a happy number.

It is a super-4 number, since 4×57733744656⁴ (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57733744596 and 57733744605.

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, 85912975 + ... + 85913646.

Almost surely, 2^57733744656 is an apocalyptic number.

57733744656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57733744656 is an abundant number, since it is smaller than the sum of its proper divisors (112718264368).

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

57733744656 is a wasteful number, since it uses less digits than its factorization.

57733744656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171826639 (or 171826633 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 57.

The spelling of 57733744656 in words is "fifty-seven billion, seven hundred thirty-three million, seven hundred forty-four thousand, six hundred fifty-six".