57155572667427 has 16 divisors (see below), whose sum is σ = 83108395184640. Its totient is φ = 34727436555552.

The previous prime is 57155572667411. The next prime is 57155572667429. The reversal of 57155572667427 is 72476627555175.

It is not a de Polignac number, because 57155572667427 - 2⁴ = 57155572667411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57155572667429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9275487453 + ... + 9275493614.

It is an arithmetic number, because the mean of its divisors is an integer number (5194274699040).

Almost surely, 2^{57155572667427} is an apocalyptic number.

57155572667427 is a deficient number, since it is larger than the sum of its proper divisors (25952822517213).

57155572667427 is a wasteful number, since it uses less digits than its factorization.

57155572667427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18550981162.

The product of its digits is 864360000, while the sum is 69.

The spelling of 57155572667427 in words is "fifty-seven trillion, one hundred fifty-five billion, five hundred seventy-two million, six hundred sixty-seven thousand, four hundred twenty-seven".