53108568 has 64 divisors (see below), whose sum is σ = 149644800. Its totient is φ = 17448480.

The previous prime is 53108563. The next prime is 53108593. The reversal of 53108568 is 86580135.

It is a super-3 number, since 3×53108568³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53108563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13605 + ... + 17067.

It is an arithmetic number, because the mean of its divisors is an integer number (2338200).

Almost surely, 2^53108568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53108568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74822400).

53108568 is an abundant number, since it is smaller than the sum of its proper divisors (96536232).

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

53108568 is a wasteful number, since it uses less digits than its factorization.

53108568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549 (or 3539 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 53108568 is about 7287.5625554777. The cubic root of 53108568 is about 375.8848862943.

The spelling of 53108568 in words is "fifty-three million, one hundred eight thousand, five hundred sixty-eight".