57171175655 has 48 divisors (see below), whose sum is σ = 79737692160. Its totient is φ = 39212268480.

The previous prime is 57171175639. The next prime is 57171175687. The reversal of 57171175655 is 55657117175.

It is not a de Polignac number, because 57171175655 - 2⁴ = 57171175639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2552234 + ... + 2574536.

It is an arithmetic number, because the mean of its divisors is an integer number (1661201920).

Almost surely, 2^57171175655 is an apocalyptic number.

57171175655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57171175655 is a deficient number, since it is larger than the sum of its proper divisors (22566516505).

57171175655 is a wasteful number, since it uses less digits than its factorization.

57171175655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22572 (or 22561 counting only the distinct ones).

The product of its digits is 1286250, while the sum is 50.

The spelling of 57171175655 in words is "fifty-seven billion, one hundred seventy-one million, one hundred seventy-five thousand, six hundred fifty-five".