57149438571 has 16 divisors (see below), whose sum is σ = 85234068000. Its totient is φ = 37843920864.

The previous prime is 57149438551. The next prime is 57149438609. The reversal of 57149438571 is 17583494175.

57149438571 is a `hidden beast` number, since 5 + 7 + 1 + 494 + 3 + 85 + 71 = 666.

It is not a de Polignac number, because 57149438571 - 2⁵ = 57149438539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57149438551) 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, 7098816 + ... + 7106861.

It is an arithmetic number, because the mean of its divisors is an integer number (5327129250).

Almost surely, 2^57149438571 is an apocalyptic number.

57149438571 is a deficient number, since it is larger than the sum of its proper divisors (28084629429).

57149438571 is a wasteful number, since it uses less digits than its factorization.

57149438571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14205835 (or 14205829 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The spelling of 57149438571 in words is "fifty-seven billion, one hundred forty-nine million, four hundred thirty-eight thousand, five hundred seventy-one".