56313515 has 8 divisors (see below), whose sum is σ = 69756288. Its totient is φ = 43597440.

The previous prime is 56313497. The next prime is 56313533. The reversal of 56313515 is 51531365.

It is an interprime number because it is at equal distance from previous prime (56313497) and next prime (56313533).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56313515 - 2¹⁶ = 56247979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181502 + ... + 181811.

It is an arithmetic number, because the mean of its divisors is an integer number (8719536).

Almost surely, 2^56313515 is an apocalyptic number.

56313515 is a deficient number, since it is larger than the sum of its proper divisors (13442773).

56313515 is a wasteful number, since it uses less digits than its factorization.

56313515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363349.

The product of its digits is 6750, while the sum is 29.

The square root of 56313515 is about 7504.2331387024. The cubic root of 56313515 is about 383.2988757097.

The spelling of 56313515 in words is "fifty-six million, three hundred thirteen thousand, five hundred fifteen".