56657888 has 24 divisors (see below), whose sum is σ = 127480752. Its totient is φ = 24281856.

The previous prime is 56657879. The next prime is 56657897. The reversal of 56657888 is 88875665.

It is an interprime number because it is at equal distance from previous prime (56657879) and next prime (56657897).

It is a super-3 number, since 3×56657888³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126245 + ... + 126692.

It is an arithmetic number, because the mean of its divisors is an integer number (5311698).

Almost surely, 2^56657888 is an apocalyptic number.

It is an amenable number.

56657888 is an abundant number, since it is smaller than the sum of its proper divisors (70822864).

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

56657888 is a wasteful number, since it uses less digits than its factorization.

56657888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252954 (or 252946 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 53.

The square root of 56657888 is about 7527.1434156657. The cubic root of 56657888 is about 384.0786152700.

The spelling of 56657888 in words is "fifty-six million, six hundred fifty-seven thousand, eight hundred eighty-eight".