56558315 has 8 divisors (see below), whose sum is σ = 74040048. Its totient is φ = 41133280.

The previous prime is 56558309. The next prime is 56558317. The reversal of 56558315 is 51385565.

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

It is not a de Polignac number, because 56558315 - 2⁸ = 56558059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56558317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514112 + ... + 514221.

It is an arithmetic number, because the mean of its divisors is an integer number (9255006).

Almost surely, 2^56558315 is an apocalyptic number.

56558315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56558315 is a deficient number, since it is larger than the sum of its proper divisors (17481733).

56558315 is a wasteful number, since it uses less digits than its factorization.

56558315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028349.

The product of its digits is 90000, while the sum is 38.

The square root of 56558315 is about 7520.5262448847. The cubic root of 56558315 is about 383.8534845953.

The spelling of 56558315 in words is "fifty-six million, five hundred fifty-eight thousand, three hundred fifteen".