52157388640392 has 96 divisors (see below), whose sum is σ = 162150724008000. Its totient is φ = 14836462941312.

The previous prime is 52157388640369. The next prime is 52157388640397. The reversal of 52157388640392 is 29304688375125.

52157388640392 is a `hidden beast` number, since 5 + 2 + 157 + 38 + 8 + 64 + 0 + 392 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (52157388640397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227830267 + ... + 228059082.

It is an arithmetic number, because the mean of its divisors is an integer number (1689070041750).

It is a 1-persistent number, because it is pandigital, but 2⋅52157388640392 = 104314777280784 is not.

Almost surely, 2^{52157388640392} is an apocalyptic number.

It is an amenable number.

52157388640392 is an abundant number, since it is smaller than the sum of its proper divisors (109993335367608).

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

52157388640392 is a wasteful number, since it uses less digits than its factorization.

52157388640392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455889595 (or 455889588 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 52157388640392 in words is "fifty-two trillion, one hundred fifty-seven billion, three hundred eighty-eight million, six hundred forty thousand, three hundred ninety-two".