51544502742860 has 48 divisors (see below), whose sum is σ = 109207916858880. Its totient is φ = 20434599614400.

The previous prime is 51544502742851. The next prime is 51544502742871. The reversal of 51544502742860 is 6824720544515.

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, 14161316 + ... + 17425035.

It is an arithmetic number, because the mean of its divisors is an integer number (2275164934560).

Almost surely, 2^{51544502742860} is an apocalyptic number.

It is an amenable number.

51544502742860 is an abundant number, since it is smaller than the sum of its proper divisors (57663414116020).

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

51544502742860 is a wasteful number, since it uses less digits than its factorization.

51544502742860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31587086 (or 31587084 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 53.

The spelling of 51544502742860 in words is "fifty-one trillion, five hundred forty-four billion, five hundred two million, seven hundred forty-two thousand, eight hundred sixty".