52961392 has 80 divisors (see below), whose sum is σ = 122563584. Its totient is φ = 21888000.

The previous prime is 52961383. The next prime is 52961407. The reversal of 52961392 is 29316925.

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, 92467 + ... + 93037.

Almost surely, 2^52961392 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 52961392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61281792).

52961392 is an abundant number, since it is smaller than the sum of its proper divisors (69602192).

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

52961392 is a wasteful number, since it uses less digits than its factorization.

52961392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 632 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 52961392 is about 7277.4577978852. The cubic root of 52961392 is about 375.5373440330.

The spelling of 52961392 in words is "fifty-two million, nine hundred sixty-one thousand, three hundred ninety-two".