51632594220 has 48 divisors (see below), whose sum is σ = 145709641728. Its totient is φ = 13660274880.

The previous prime is 51632594219. The next prime is 51632594243. The reversal of 51632594220 is 2249523615.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3380346 + ... + 3395585.

It is an arithmetic number, because the mean of its divisors is an integer number (3035617536).

Almost surely, 2^51632594220 is an apocalyptic number.

It is an amenable number.

51632594220 is an abundant number, since it is smaller than the sum of its proper divisors (94077047508).

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

51632594220 is a wasteful number, since it uses less digits than its factorization.

51632594220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776070 (or 6776068 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 51632594220 in words is "fifty-one billion, six hundred thirty-two million, five hundred ninety-four thousand, two hundred twenty".