53312588 has 18 divisors (see below), whose sum is σ = 108529596. Its totient is φ = 22848168.

The previous prime is 53312569. The next prime is 53312593. The reversal of 53312588 is 88521335.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135806 + ... + 136197.

It is an arithmetic number, because the mean of its divisors is an integer number (6029422).

Almost surely, 2^53312588 is an apocalyptic number.

It is an amenable number.

53312588 is an abundant number, since it is smaller than the sum of its proper divisors (55217008).

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

53312588 is a wasteful number, since it uses less digits than its factorization.

53312588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272021 (or 272012 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 53312588 is about 7301.5469593779. The cubic root of 53312588 is about 376.3655999578.

The spelling of 53312588 in words is "fifty-three million, three hundred twelve thousand, five hundred eighty-eight".