56537872875 has 96 divisors (see below), whose sum is σ = 113008499136. Its totient is φ = 26962560000.

The previous prime is 56537872873. The next prime is 56537872877. The reversal of 56537872875 is 57827873565.

56537872875 is a `hidden beast` number, since 5 + 6 + 537 + 8 + 7 + 28 + 75 = 666.

It is an interprime number because it is at equal distance from previous prime (56537872873) and next prime (56537872877).

It is not a de Polignac number, because 56537872875 - 2¹ = 56537872873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56537872873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 717427 + ... + 792323.

It is an arithmetic number, because the mean of its divisors is an integer number (1177171866).

Almost surely, 2^56537872875 is an apocalyptic number.

56537872875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56537872875 is a deficient number, since it is larger than the sum of its proper divisors (56470626261).

56537872875 is a wasteful number, since it uses less digits than its factorization.

56537872875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74990 (or 74977 counting only the distinct ones).

The product of its digits is 98784000, while the sum is 63.

The spelling of 56537872875 in words is "fifty-six billion, five hundred thirty-seven million, eight hundred seventy-two thousand, eight hundred seventy-five".