57155674540 has 24 divisors (see below), whose sum is σ = 120035244672. Its totient is φ = 22860683520.

The previous prime is 57155674501. The next prime is 57155674553. The reversal of 57155674540 is 4547655175.

It is a super-2 number, since 2×57155674540² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221620 + ... + 404260.

It is an arithmetic number, because the mean of its divisors is an integer number (5001468528).

Almost surely, 2^57155674540 is an apocalyptic number.

It is an amenable number.

57155674540 is an abundant number, since it is smaller than the sum of its proper divisors (62879570132).

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

57155674540 is a wasteful number, since it uses less digits than its factorization.

57155674540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198297 (or 198295 counting only the distinct ones).

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 57155674540 in words is "fifty-seven billion, one hundred fifty-five million, six hundred seventy-four thousand, five hundred forty".