56694815 has 8 divisors (see below), whose sum is σ = 70228608. Its totient is φ = 43892640.

The previous prime is 56694809. The next prime is 56694817. The reversal of 56694815 is 51849665.

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

It is not a de Polignac number, because 56694815 - 2¹⁴ = 56678431 is a prime.

It is a super-3 number, since 3×56694815³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56694817) 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, 182732 + ... + 183041.

It is an arithmetic number, because the mean of its divisors is an integer number (8778576).

Almost surely, 2^56694815 is an apocalyptic number.

56694815 is a deficient number, since it is larger than the sum of its proper divisors (13533793).

56694815 is a wasteful number, since it uses less digits than its factorization.

56694815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365809.

The product of its digits is 259200, while the sum is 44.

The square root of 56694815 is about 7529.5959386942. The cubic root of 56694815 is about 384.1620387284.

The spelling of 56694815 in words is "fifty-six million, six hundred ninety-four thousand, eight hundred fifteen".