53115008 has 64 divisors (see below), whose sum is σ = 112455000. Its totient is φ = 24944640.

The previous prime is 53114989. The next prime is 53115031. The reversal of 53115008 is 80051135.

It can be written as a sum of positive squares in 4 ways, for example, as 39037504 + 14077504 = 6248^2 + 3752^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152018 + ... + 152366.

Almost surely, 2^53115008 is an apocalyptic number.

53115008 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53115008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56227500).

53115008 is an abundant number, since it is smaller than the sum of its proper divisors (59339992).

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

53115008 is a wasteful number, since it uses less digits than its factorization.

53115008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 53115008 is about 7288.0043907780. The cubic root of 53115008 is about 375.9000790771.

The spelling of 53115008 in words is "fifty-three million, one hundred fifteen thousand, eight".