56425566 has 8 divisors (see below), whose sum is σ = 112851144. Its totient is φ = 18808520.

The previous prime is 56425541. The next prime is 56425583. The reversal of 56425566 is 66552465.

It is a happy number.

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

56425566 is an admirable number.

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, 4702125 + ... + 4702136.

It is an arithmetic number, because the mean of its divisors is an integer number (14106393).

Almost surely, 2^56425566 is an apocalyptic number.

56425566 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.

56425566 is a wasteful number, since it uses less digits than its factorization.

56425566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9404266.

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

The square root of 56425566 is about 7511.6952813596. The cubic root of 56425566 is about 383.5529329434.

The spelling of 56425566 in words is "fifty-six million, four hundred twenty-five thousand, five hundred sixty-six".