53921524 has 24 divisors (see below), whose sum is σ = 98432768. Its totient is φ = 25816320.

The previous prime is 53921513. The next prime is 53921551. The reversal of 53921524 is 42512935.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9787 + ... + 14269.

Almost surely, 2^53921524 is an apocalyptic number.

It is an amenable number.

53921524 is a deficient number, since it is larger than the sum of its proper divisors (44511244).

53921524 is a wasteful number, since it uses less digits than its factorization.

53921524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615 (or 4613 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 53921524 is about 7343.1276715035. The cubic root of 53921524 is about 377.7931270067.

It can be divided in two parts, 53921 and 524, that added together give a palindrome (54445).

The spelling of 53921524 in words is "fifty-three million, nine hundred twenty-one thousand, five hundred twenty-four".