57206472507 has 80 divisors (see below), whose sum is σ = 89602920000. Its totient is φ = 36326174976.

The previous prime is 57206472503. The next prime is 57206472539. The reversal of 57206472507 is 70527460275.

57206472507 is a `hidden beast` number, since 5 + 72 + 0 + 6 + 4 + 72 + 507 = 666.

It is not a de Polignac number, because 57206472507 - 2² = 57206472503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57206472503) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 95502994 + ... + 95503592.

It is an arithmetic number, because the mean of its divisors is an integer number (1120036500).

Almost surely, 2^57206472507 is an apocalyptic number.

57206472507 is a deficient number, since it is larger than the sum of its proper divisors (32396447493).

57206472507 is a wasteful number, since it uses less digits than its factorization.

57206472507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The spelling of 57206472507 in words is "fifty-seven billion, two hundred six million, four hundred seventy-two thousand, five hundred seven".