52391924 has 48 divisors (see below), whose sum is σ = 102076800. Its totient is φ = 23379840.

The previous prime is 52391921. The next prime is 52391939. The reversal of 52391924 is 42919325.

Its product of digits (19440) is a multiple of the sum of its prime factors (360).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52391921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263177 + ... + 263375.

It is an arithmetic number, because the mean of its divisors is an integer number (2126600).

Almost surely, 2^52391924 is an apocalyptic number.

It is an amenable number.

52391924 is a deficient number, since it is larger than the sum of its proper divisors (49684876).

52391924 is a wasteful number, since it uses less digits than its factorization.

52391924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 358 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 52391924 is about 7238.2265783823. The cubic root of 52391924 is about 374.1865008233.

The spelling of 52391924 in words is "fifty-two million, three hundred ninety-one thousand, nine hundred twenty-four".