52120515 has 32 divisors (see below), whose sum is σ = 89844480. Its totient is φ = 25716096.

The previous prime is 52120483. The next prime is 52120547. The reversal of 52120515 is 51502125.

It is an interprime number because it is at equal distance from previous prime (52120483) and next prime (52120547).

It is not a de Polignac number, because 52120515 - 2⁵ = 52120483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52120491 and 52120500.

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, 10129 + ... + 14381.

It is an arithmetic number, because the mean of its divisors is an integer number (2807640).

Almost surely, 2^52120515 is an apocalyptic number.

52120515 is a deficient number, since it is larger than the sum of its proper divisors (37723965).

52120515 is a wasteful number, since it uses less digits than its factorization.

52120515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 52120515 is about 7219.4539267177. The cubic root of 52120515 is about 373.5392416597.

The spelling of 52120515 in words is "fifty-two million, one hundred twenty thousand, five hundred fifteen".