51632307228 has 72 divisors (see below), whose sum is σ = 123903098928. Its totient is φ = 16728671232.

The previous prime is 51632307203. The next prime is 51632307257. The reversal of 51632307228 is 82270323615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7552900 + ... + 7559732.

It is an arithmetic number, because the mean of its divisors is an integer number (1720876374).

Almost surely, 2^51632307228 is an apocalyptic number.

It is an amenable number.

51632307228 is an abundant number, since it is smaller than the sum of its proper divisors (72270791700).

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

51632307228 is a wasteful number, since it uses less digits than its factorization.

51632307228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111 (or 7000 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 51632307228 in words is "fifty-one billion, six hundred thirty-two million, three hundred seven thousand, two hundred twenty-eight".