52135515 has 32 divisors (see below), whose sum is σ = 98141760. Its totient is φ = 26168832.

The previous prime is 52135507. The next prime is 52135529. The reversal of 52135515 is 51553125.

It is not a de Polignac number, because 52135515 - 2³ = 52135507 is a prime.

It is a super-2 number, since 2×52135515² = 5436223848630450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 9064 + ... + 13653.

It is an arithmetic number, because the mean of its divisors is an integer number (3066930).

Almost surely, 2^52135515 is an apocalyptic number.

52135515 is a deficient number, since it is larger than the sum of its proper divisors (46006245).

52135515 is a wasteful number, since it uses less digits than its factorization.

52135515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22748 (or 22742 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 52135515 is about 7220.4927117199. The cubic root of 52135515 is about 373.5750724082.

It can be divided in two parts, 52135 and 515, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 52135515 in words is "fifty-two million, one hundred thirty-five thousand, five hundred fifteen".