52574735616 has 144 divisors (see below), whose sum is σ = 152074581120. Its totient is φ = 16028098560.

The previous prime is 52574735599. The next prime is 52574735623. The reversal of 52574735616 is 61653747525.

It is a congruent number.

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, 1064101 + ... + 1112411.

It is an arithmetic number, because the mean of its divisors is an integer number (1056073480).

Almost surely, 2^52574735616 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 52574735616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76037290560).

52574735616 is an abundant number, since it is smaller than the sum of its proper divisors (99499845504).

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

52574735616 is a wasteful number, since it uses less digits than its factorization.

52574735616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48452 (or 48438 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 51.

The spelling of 52574735616 in words is "fifty-two billion, five hundred seventy-four million, seven hundred thirty-five thousand, six hundred sixteen".