56557846 has 8 divisors (see below), whose sum is σ = 85629960. Its totient is φ = 28014528.

The previous prime is 56557843. The next prime is 56557871. The reversal of 56557846 is 64875565.

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

It is a junction number, because it is equal to n+sod(n) for n = 56557796 and 56557805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56557843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131931 + ... + 132358.

It is an arithmetic number, because the mean of its divisors is an integer number (10703745).

Almost surely, 2^56557846 is an apocalyptic number.

56557846 is a deficient number, since it is larger than the sum of its proper divisors (29072114).

56557846 is a wasteful number, since it uses less digits than its factorization.

56557846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264398.

The product of its digits is 1008000, while the sum is 46.

The square root of 56557846 is about 7520.4950634915. The cubic root of 56557846 is about 383.8524235795.

The spelling of 56557846 in words is "fifty-six million, five hundred fifty-seven thousand, eight hundred forty-six".