52015992 has 64 divisors (see below), whose sum is σ = 149299200. Its totient is φ = 14793600.

The previous prime is 52015967. The next prime is 52016033. The reversal of 52015992 is 29951025.

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, 44617 + ... + 45767.

It is an arithmetic number, because the mean of its divisors is an integer number (2332800).

Almost surely, 2^52015992 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 52015992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74649600).

52015992 is an abundant number, since it is smaller than the sum of its proper divisors (97283208).

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

52015992 is a wasteful number, since it uses less digits than its factorization.

52015992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 52015992 is about 7212.2113113802. The cubic root of 52015992 is about 373.2893747846.

The spelling of 52015992 in words is "fifty-two million, fifteen thousand, nine hundred ninety-two".