53415015 has 32 divisors (see below), whose sum is σ = 88743936. Its totient is φ = 27406080.

The previous prime is 53415007. The next prime is 53415053. The reversal of 53415015 is 51051435.

It is not a de Polignac number, because 53415015 - 2³ = 53415007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145362 + ... + 145728.

It is an arithmetic number, because the mean of its divisors is an integer number (2773248).

Almost surely, 2^53415015 is an apocalyptic number.

53415015 is a deficient number, since it is larger than the sum of its proper divisors (35328921).

53415015 is a wasteful number, since it uses less digits than its factorization.

53415015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 53415015 is about 7308.5576552422. The cubic root of 53415015 is about 376.6064770124.

It can be divided in two parts, 534 and 15015, that multiplied together give a triangular number (8018010 = T₄₀₀₄).

The spelling of 53415015 in words is "fifty-three million, four hundred fifteen thousand, fifteen".