5057857656 has 24 divisors (see below), whose sum is σ = 13698364680. Its totient is φ = 1685952528.

The previous prime is 5057857631. The next prime is 5057857657. The reversal of 5057857656 is 6567587505.

5057857656 is a `hidden beast` number, since 5 + 0 + 578 + 5 + 7 + 65 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5057857657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35123940 + ... + 35124083.

It is an arithmetic number, because the mean of its divisors is an integer number (570765195).

Almost surely, 2^5057857656 is an apocalyptic number.

It is an amenable number.

5057857656 is an abundant number, since it is smaller than the sum of its proper divisors (8640507024).

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

5057857656 is a wasteful number, since it uses less digits than its factorization.

5057857656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70248035 (or 70248028 counting only the distinct ones).

The product of its (nonzero) digits is 8820000, while the sum is 54.

The square root of 5057857656 is about 71118.6168031972. The cubic root of 5057857656 is about 1716.5463482749.

The spelling of 5057857656 in words is "five billion, fifty-seven million, eight hundred fifty-seven thousand, six hundred fifty-six".