53503604 has 24 divisors (see below), whose sum is σ = 116735808. Its totient is φ = 20845440.

The previous prime is 53503603. The next prime is 53503633. The reversal of 53503604 is 40630535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53503603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86549 + ... + 87164.

It is an arithmetic number, because the mean of its divisors is an integer number (4863992).

Almost surely, 2^53503604 is an apocalyptic number.

It is an amenable number.

53503604 is an abundant number, since it is smaller than the sum of its proper divisors (63232204).

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

53503604 is a wasteful number, since it uses less digits than its factorization.

53503604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173735 (or 173733 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 53503604 is about 7314.6157793831. The cubic root of 53503604 is about 376.8145630961.

The spelling of 53503604 in words is "fifty-three million, five hundred three thousand, six hundred four".