52257637744 has 20 divisors (see below), whose sum is σ = 109037571496. Its totient is φ = 24118909632.

The previous prime is 52257637739. The next prime is 52257637763. The reversal of 52257637744 is 44773675225.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 52257637691 and 52257637700.

It is a congruent number.

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, 125619114 + ... + 125619529.

Almost surely, 2^52257637744 is an apocalyptic number.

It is an amenable number.

52257637744 is an abundant number, since it is smaller than the sum of its proper divisors (56779933752).

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

52257637744 is a wasteful number, since it uses less digits than its factorization.

52257637744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251238664 (or 251238658 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 52.

The spelling of 52257637744 in words is "fifty-two billion, two hundred fifty-seven million, six hundred thirty-seven thousand, seven hundred forty-four".