52368515 has 4 divisors (see below), whose sum is σ = 62842224. Its totient is φ = 41894808.

The previous prime is 52368509. The next prime is 52368523. The reversal of 52368515 is 51586325.

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

It is a cyclic number.

It is not a de Polignac number, because 52368515 - 2¹² = 52364419 is a prime.

It is a super-2 number, since 2×52368515² = 5484922726610450, 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, 5236847 + ... + 5236856.

It is an arithmetic number, because the mean of its divisors is an integer number (15710556).

Almost surely, 2^52368515 is an apocalyptic number.

52368515 is a deficient number, since it is larger than the sum of its proper divisors (10473709).

52368515 is a wasteful number, since it uses less digits than its factorization.

52368515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10473708.

The product of its digits is 36000, while the sum is 35.

The square root of 52368515 is about 7236.6093579797. The cubic root of 52368515 is about 374.1307629918.

The spelling of 52368515 in words is "fifty-two million, three hundred sixty-eight thousand, five hundred fifteen".