51832517264 has 20 divisors (see below), whose sum is σ = 109555093680. Its totient is φ = 23560235040.

The previous prime is 51832517263. The next prime is 51832517281. The reversal of 51832517264 is 46271523815.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (51832517263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147251294 + ... + 147251645.

It is an arithmetic number, because the mean of its divisors is an integer number (5477754684).

Almost surely, 2^51832517264 is an apocalyptic number.

It is an amenable number.

51832517264 is an abundant number, since it is smaller than the sum of its proper divisors (57722576416).

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

51832517264 is a wasteful number, since it uses less digits than its factorization.

51832517264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294502958 (or 294502952 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The spelling of 51832517264 in words is "fifty-one billion, eight hundred thirty-two million, five hundred seventeen thousand, two hundred sixty-four".