57031166725634 has 4 divisors (see below), whose sum is σ = 85546750088454. Its totient is φ = 28515583362816.

The previous prime is 57031166725619. The next prime is 57031166725651. The reversal of 57031166725634 is 43652766113075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53756713618609 + 3274453107025 = 7331897^2 + 1809545^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57031166725634.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14257791681407 + ... + 14257791681410.

Almost surely, 2^{57031166725634} is an apocalyptic number.

57031166725634 is a deficient number, since it is larger than the sum of its proper divisors (28515583362820).

57031166725634 is a wasteful number, since it uses less digits than its factorization.

57031166725634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28515583362819.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 57031166725634 in words is "fifty-seven trillion, thirty-one billion, one hundred sixty-six million, seven hundred twenty-five thousand, six hundred thirty-four".