56477615 has 8 divisors (see below), whose sum is σ = 67866768. Its totient is φ = 45119680.

The previous prime is 56477609. The next prime is 56477669. The reversal of 56477615 is 51677465.

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

It is not a de Polignac number, because 56477615 - 2¹² = 56473519 is a prime.

It is a Duffinian number.

It is a congruent 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, 3617 + ... + 11226.

It is an arithmetic number, because the mean of its divisors is an integer number (8483346).

Almost surely, 2^56477615 is an apocalyptic number.

56477615 is a deficient number, since it is larger than the sum of its proper divisors (11389153).

56477615 is a wasteful number, since it uses less digits than its factorization.

56477615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15609.

The product of its digits is 176400, while the sum is 41.

The square root of 56477615 is about 7515.1590136204. The cubic root of 56477615 is about 383.6708311044.

The spelling of 56477615 in words is "fifty-six million, four hundred seventy-seven thousand, six hundred fifteen".