57912269538 has 64 divisors (see below), whose sum is σ = 122050114560. Its totient is φ = 18296010432.

The previous prime is 57912269531. The next prime is 57912269551. The reversal of 57912269538 is 83596221975.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57912269531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3609931 + ... + 3625937.

It is an arithmetic number, because the mean of its divisors is an integer number (1907033040).

Almost surely, 2^57912269538 is an apocalyptic number.

57912269538 is an abundant number, since it is smaller than the sum of its proper divisors (64137845022).

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

57912269538 is a wasteful number, since it uses less digits than its factorization.

57912269538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16471.

The product of its digits is 8164800, while the sum is 57.

The spelling of 57912269538 in words is "fifty-seven billion, nine hundred twelve million, two hundred sixty-nine thousand, five hundred thirty-eight".