51964976844 has 60 divisors (see below), whose sum is σ = 148196425608. Its totient is φ = 15746961600.

The previous prime is 51964976827. The next prime is 51964976851. The reversal of 51964976844 is 44867946915.

51964976844 is a `hidden beast` number, since 51 + 96 + 497 + 6 + 8 + 4 + 4 = 666.

51964976844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7286697 + ... + 7293824.

Almost surely, 2^51964976844 is an apocalyptic number.

51964976844 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

51964976844 is an abundant number, since it is smaller than the sum of its proper divisors (96231448764).

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

51964976844 is a wasteful number, since it uses less digits than its factorization.

51964976844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14580548 (or 14580537 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 51964976844 in words is "fifty-one billion, nine hundred sixty-four million, nine hundred seventy-six thousand, eight hundred forty-four".