56515822 has 8 divisors (see below), whose sum is σ = 92480472. Its totient is φ = 25689000.

The previous prime is 56515817. The next prime is 56515843. The reversal of 56515822 is 22851565.

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, 1284429 + ... + 1284472.

It is an arithmetic number, because the mean of its divisors is an integer number (11560059).

Almost surely, 2^56515822 is an apocalyptic number.

56515822 is a deficient number, since it is larger than the sum of its proper divisors (35964650).

56515822 is a wasteful number, since it uses less digits than its factorization.

56515822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568914.

The product of its digits is 24000, while the sum is 34.

The square root of 56515822 is about 7517.7005792995. The cubic root of 56515822 is about 383.7573291332.

The spelling of 56515822 in words is "fifty-six million, five hundred fifteen thousand, eight hundred twenty-two".