57039979456 has 28 divisors (see below), whose sum is σ = 113261978200. Its totient is φ = 28501528320.

The previous prime is 57039979429. The next prime is 57039979457. The reversal of 57039979456 is 65497993075.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57039979457) 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, 188550 + ... + 386821.

It is an arithmetic number, because the mean of its divisors is an integer number (4045070650).

Almost surely, 2^57039979456 is an apocalyptic number.

It is an amenable number.

57039979456 is a deficient number, since it is larger than the sum of its proper divisors (56221998744).

57039979456 is a wasteful number, since it uses less digits than its factorization.

57039979456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576932 (or 576922 counting only the distinct ones).

The product of its (nonzero) digits is 64297800, while the sum is 64.

The spelling of 57039979456 in words is "fifty-seven billion, thirty-nine million, nine hundred seventy-nine thousand, four hundred fifty-six".