53013015 has 64 divisors (see below), whose sum is σ = 106444800. Its totient is φ = 24796800.

The previous prime is 53012977. The next prime is 53013019. The reversal of 53013015 is 51031035.

It is a happy number.

53013015 is a `hidden beast` number, since 530 + 130 + 1 + 5 = 666.

53013015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53013015 - 2⁶ = 53012951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53013019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42450 + ... + 43680.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^53013015 is an apocalyptic number.

53013015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53013015 is an abundant number, since it is smaller than the sum of its proper divisors (53431785).

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

53013015 is a wasteful number, since it uses less digits than its factorization.

53013015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 53013015 is about 7281.0037082809. The cubic root of 53013015 is about 375.6593201126.

The spelling of 53013015 in words is "fifty-three million, thirteen thousand, fifteen".