56990315 has 4 divisors (see below), whose sum is σ = 68388384. Its totient is φ = 45592248.

The previous prime is 56990309. The next prime is 56990321. The reversal of 56990315 is 51309965.

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

It is an interprime number because it is at equal distance from previous prime (56990309) and next prime (56990321).

It is a cyclic number.

It is not a de Polignac number, because 56990315 - 2⁴ = 56990299 is a prime.

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, 5699027 + ... + 5699036.

It is an arithmetic number, because the mean of its divisors is an integer number (17097096).

Almost surely, 2^56990315 is an apocalyptic number.

56990315 is a deficient number, since it is larger than the sum of its proper divisors (11398069).

56990315 is a wasteful number, since it uses less digits than its factorization.

56990315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11398068.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 56990315 is about 7549.1930032289. The cubic root of 56990315 is about 384.8283149729.

The spelling of 56990315 in words is "fifty-six million, nine hundred ninety thousand, three hundred fifteen".