52520891124 has 48 divisors (see below), whose sum is σ = 132638844800. Its totient is φ = 16079057280.

The previous prime is 52520891081. The next prime is 52520891149. The reversal of 52520891124 is 42119802525.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 814867 + ... + 876954.

Almost surely, 2^52520891124 is an apocalyptic number.

It is an amenable number.

52520891124 is an abundant number, since it is smaller than the sum of its proper divisors (80117953676).

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

52520891124 is a wasteful number, since it uses less digits than its factorization.

52520891124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692040 (or 1692038 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 52520891124 in words is "fifty-two billion, five hundred twenty million, eight hundred ninety-one thousand, one hundred twenty-four".