53978750875 has 16 divisors (see below), whose sum is σ = 76989122496. Its totient is φ = 37014000000.

The previous prime is 53978750857. The next prime is 53978750911. The reversal of 53978750875 is 57805787935.

It is a happy number.

It is not a de Polignac number, because 53978750875 - 2⁷ = 53978750747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30844126 + ... + 30845875.

It is an arithmetic number, because the mean of its divisors is an integer number (4811820156).

Almost surely, 2^53978750875 is an apocalyptic number.

53978750875 is a deficient number, since it is larger than the sum of its proper divisors (23010371621).

53978750875 is an equidigital number, since it uses as much as digits as its factorization.

53978750875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61690023 (or 61690013 counting only the distinct ones).

The product of its (nonzero) digits is 74088000, while the sum is 64.

The spelling of 53978750875 in words is "fifty-three billion, nine hundred seventy-eight million, seven hundred fifty thousand, eight hundred seventy-five".