56052515 has 4 divisors (see below), whose sum is σ = 67263024. Its totient is φ = 44842008.

The previous prime is 56052511. The next prime is 56052551. The reversal of 56052515 is 51525065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51525065 = 5 ⋅10305013.

It is a cyclic number.

It is not a de Polignac number, because 56052515 - 2² = 56052511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56052511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5605247 + ... + 5605256.

It is an arithmetic number, because the mean of its divisors is an integer number (16815756).

Almost surely, 2^56052515 is an apocalyptic number.

56052515 is a deficient number, since it is larger than the sum of its proper divisors (11210509).

56052515 is a wasteful number, since it uses less digits than its factorization.

56052515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210508.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 56052515 is about 7486.8227573517. The cubic root of 56052515 is about 382.7057915491.

The spelling of 56052515 in words is "fifty-six million, fifty-two thousand, five hundred fifteen".