56442786 has 8 divisors (see below), whose sum is σ = 112885584. Its totient is φ = 18814260.

The previous prime is 56442769. The next prime is 56442811. The reversal of 56442786 is 68724465.

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

56442786 is an admirable number.

It is a Curzon 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, 4703560 + ... + 4703571.

It is an arithmetic number, because the mean of its divisors is an integer number (14110698).

Almost surely, 2^56442786 is an apocalyptic number.

56442786 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.

56442786 is a wasteful number, since it uses less digits than its factorization.

56442786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9407136.

The product of its digits is 322560, while the sum is 42.

The square root of 56442786 is about 7512.8414065519. The cubic root of 56442786 is about 383.5919466400.

The spelling of 56442786 in words is "fifty-six million, four hundred forty-two thousand, seven hundred eighty-six".