51609567882 has 32 divisors (see below), whose sum is σ = 106312752000. Its totient is φ = 16690252608.

The previous prime is 51609567869. The next prime is 51609567899. The reversal of 51609567882 is 28876590615.

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, 255582 + ... + 410537.

It is an arithmetic number, because the mean of its divisors is an integer number (3322273500).

Almost surely, 2^51609567882 is an apocalyptic number.

51609567882 is an abundant number, since it is smaller than the sum of its proper divisors (54703184118).

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

51609567882 is a wasteful number, since it uses less digits than its factorization.

51609567882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666510.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 51609567882 in words is "fifty-one billion, six hundred nine million, five hundred sixty-seven thousand, eight hundred eighty-two".