52921424 has 20 divisors (see below), whose sum is σ = 104067744. Its totient is φ = 26065248.

The previous prime is 52921411. The next prime is 52921439. The reversal of 52921424 is 42412925.

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, 23612 + ... + 25755.

Almost surely, 2^52921424 is an apocalyptic number.

It is an amenable number.

52921424 is a deficient number, since it is larger than the sum of its proper divisors (51146320).

52921424 is a wasteful number, since it uses less digits than its factorization.

52921424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49442 (or 49436 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 52921424 is about 7274.7112657479. The cubic root of 52921424 is about 375.4428522200.

The spelling of 52921424 in words is "fifty-two million, nine hundred twenty-one thousand, four hundred twenty-four".