51562534660 has 96 divisors (see below), whose sum is σ = 133350723072. Its totient is φ = 16308725760.

The previous prime is 51562534651. The next prime is 51562534663. The reversal of 51562534660 is 6643526515.

It is not an unprimeable number, because it can be changed into a prime (51562534663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3324684 + ... + 3340156.

It is an arithmetic number, because the mean of its divisors is an integer number (1389070032).

Almost surely, 2^51562534660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51562534660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66675361536).

51562534660 is an abundant number, since it is smaller than the sum of its proper divisors (81788188412).

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

51562534660 is a wasteful number, since it uses less digits than its factorization.

51562534660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17333 (or 17331 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 51562534660 in words is "fifty-one billion, five hundred sixty-two million, five hundred thirty-four thousand, six hundred sixty".