57206570634 has 12 divisors (see below), whose sum is σ = 123947569746. Its totient is φ = 19068856872.

The previous prime is 57206570591. The next prime is 57206570723. The reversal of 57206570634 is 43607560275.

57206570634 is a `hidden beast` number, since 5 + 7 + 2 + 0 + 6 + 5 + 7 + 0 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36518063409 + 20688507225 = 191097^2 + 143835^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57206570634.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1589071389 + ... + 1589071424.

Almost surely, 2^57206570634 is an apocalyptic number.

57206570634 is an abundant number, since it is smaller than the sum of its proper divisors (66740999112).

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

57206570634 is a wasteful number, since it uses less digits than its factorization.

57206570634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178142821 (or 3178142818 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 57206570634 in words is "fifty-seven billion, two hundred six million, five hundred seventy thousand, six hundred thirty-four".