52976515 has 4 divisors (see below), whose sum is σ = 63571824. Its totient is φ = 42381208.

The previous prime is 52976509. The next prime is 52976537. The reversal of 52976515 is 51567925.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52976515 is a prime.

It is a super-2 number, since 2×52976515² = 5613022283090450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5297647 + ... + 5297656.

It is an arithmetic number, because the mean of its divisors is an integer number (15892956).

Almost surely, 2^52976515 is an apocalyptic number.

52976515 is a deficient number, since it is larger than the sum of its proper divisors (10595309).

52976515 is a wasteful number, since it uses less digits than its factorization.

52976515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10595308.

The product of its digits is 94500, while the sum is 40.

The square root of 52976515 is about 7278.4967541382. The cubic root of 52976515 is about 375.5730852309.

The spelling of 52976515 in words is "fifty-two million, nine hundred seventy-six thousand, five hundred fifteen".