51054515104 has 24 divisors (see below), whose sum is σ = 102161344068. Its totient is φ = 25108776960.

The previous prime is 51054515081. The next prime is 51054515129. The reversal of 51054515104 is 40151545015.

It can be written as a sum of positive squares in 2 ways, for example, as 51052498704 + 2016400 = 225948^2 + 1420^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13075537 + ... + 13079440.

Almost surely, 2^51054515104 is an apocalyptic number.

It is an amenable number.

51054515104 is an abundant number, since it is smaller than the sum of its proper divisors (51106828964).

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

51054515104 is a wasteful number, since it uses less digits than its factorization.

51054515104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26155048 (or 26155040 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 51054515104 in words is "fifty-one billion, fifty-four million, five hundred fifteen thousand, one hundred four".