57145520504 has 32 divisors (see below), whose sum is σ = 113916028320. Its totient is φ = 26814792576.

The previous prime is 57145520479. The next prime is 57145520507. The reversal of 57145520504 is 40502554175.

57145520504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57145520504² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57145520507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2920187 + ... + 2939690.

It is an arithmetic number, because the mean of its divisors is an integer number (3559875885).

Almost surely, 2^57145520504 is an apocalyptic number.

It is an amenable number.

57145520504 is a deficient number, since it is larger than the sum of its proper divisors (56770507816).

57145520504 is a wasteful number, since it uses less digits than its factorization.

57145520504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859959 (or 5859955 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 38.

The spelling of 57145520504 in words is "fifty-seven billion, one hundred forty-five million, five hundred twenty thousand, five hundred four".