56515774 has 8 divisors (see below), whose sum is σ = 96884208. Its totient is φ = 24221040.

The previous prime is 56515757. The next prime is 56515783. The reversal of 56515774 is 47751565.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018407 + ... + 2018434.

It is an arithmetic number, because the mean of its divisors is an integer number (12110526).

Almost surely, 2^56515774 is an apocalyptic number.

56515774 is a deficient number, since it is larger than the sum of its proper divisors (40368434).

56515774 is a wasteful number, since it uses less digits than its factorization.

56515774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036850.

The product of its digits is 147000, while the sum is 40.

The square root of 56515774 is about 7517.6973868333. The cubic root of 56515774 is about 383.7572204889.

The spelling of 56515774 in words is "fifty-six million, five hundred fifteen thousand, seven hundred seventy-four".