53613504 has 84 divisors (see below), whose sum is σ = 175639984. Its totient is φ = 15316992.

The previous prime is 53613499. The next prime is 53613523. The reversal of 53613504 is 40531635.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×53613504² = 5748815622316032, which contains 22 as substring.

It is a congruent number.

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, 2617 + ... + 10680.

Almost surely, 2^53613504 is an apocalyptic number.

It is an amenable number.

53613504 is an abundant number, since it is smaller than the sum of its proper divisors (122026480).

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

53613504 is a wasteful number, since it uses less digits than its factorization.

53613504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13322 (or 13309 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 53613504 is about 7322.1242819280. The cubic root of 53613504 is about 377.0723874631.

The spelling of 53613504 in words is "fifty-three million, six hundred thirteen thousand, five hundred four".