53621874 has 24 divisors (see below), whose sum is σ = 116447760. Its totient is φ = 17832888.

The previous prime is 53621861. The next prime is 53621923. The reversal of 53621874 is 47812635.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5217 + ... + 11595.

It is an arithmetic number, because the mean of its divisors is an integer number (4851990).

Almost surely, 2^53621874 is an apocalyptic number.

53621874 is an abundant number, since it is smaller than the sum of its proper divisors (62825886).

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

53621874 is a wasteful number, since it uses less digits than its factorization.

53621874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6854 (or 6851 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 53621874 is about 7322.6958150670. The cubic root of 53621874 is about 377.0920089603.

The spelling of 53621874 in words is "fifty-three million, six hundred twenty-one thousand, eight hundred seventy-four".