56255646 has 8 divisors (see below), whose sum is σ = 112511304. Its totient is φ = 18751880.

The previous prime is 56255627. The next prime is 56255671. The reversal of 56255646 is 64655265.

It is a happy number.

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

56255646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4687965 + ... + 4687976.

It is an arithmetic number, because the mean of its divisors is an integer number (14063913).

Almost surely, 2^56255646 is an apocalyptic number.

56255646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56255646 is a wasteful number, since it uses less digits than its factorization.

56255646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9375946.

The product of its digits is 216000, while the sum is 39.

The square root of 56255646 is about 7500.3763905553. The cubic root of 56255646 is about 383.1675352732.

The spelling of 56255646 in words is "fifty-six million, two hundred fifty-five thousand, six hundred forty-six".