52257591523881 has 24 divisors (see below), whose sum is σ = 79945315014240. Its totient is φ = 32780076114816.

The previous prime is 52257591523873. The next prime is 52257591523919. The reversal of 52257591523881 is 18832519575225.

52257591523881 is a `hidden beast` number, since 5 + 2 + 2 + 5 + 7 + 591 + 5 + 2 + 38 + 8 + 1 = 666.

It is not a de Polignac number, because 52257591523881 - 2³ = 52257591523873 is a prime.

It is a super-2 number, since 2×52257591523881² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52257591523831) 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, 46320591 + ... + 47435348.

It is an arithmetic number, because the mean of its divisors is an integer number (3331054792260).

Almost surely, 2^{52257591523881} is an apocalyptic number.

52257591523881 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

52257591523881 is a deficient number, since it is larger than the sum of its proper divisors (27687723490359).

52257591523881 is a wasteful number, since it uses less digits than its factorization.

52257591523881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93759605 (or 93759602 counting only the distinct ones).

The product of its digits is 60480000, while the sum is 63.

The spelling of 52257591523881 in words is "fifty-two trillion, two hundred fifty-seven billion, five hundred ninety-one million, five hundred twenty-three thousand, eight hundred eighty-one".