56242515 has 32 divisors (see below), whose sum is σ = 103403520. Its totient is φ = 25570944.

The previous prime is 56242499. The next prime is 56242523. The reversal of 56242515 is 51524265.

56242515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56242515 - 2⁴ = 56242499 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19326 + ... + 22044.

It is an arithmetic number, because the mean of its divisors is an integer number (3231360).

Almost surely, 2^56242515 is an apocalyptic number.

56242515 is a deficient number, since it is larger than the sum of its proper divisors (47161005).

56242515 is a wasteful number, since it uses less digits than its factorization.

56242515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931.

The product of its digits is 12000, while the sum is 30.

The square root of 56242515 is about 7499.5009833988. The cubic root of 56242515 is about 383.1377204026.

The spelling of 56242515 in words is "fifty-six million, two hundred forty-two thousand, five hundred fifteen".