56256663 has 8 divisors (see below), whose sum is σ = 78956800. Its totient is φ = 35530488.

The previous prime is 56256631. The next prime is 56256671. The reversal of 56256663 is 36665265.

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

It is not a de Polignac number, because 56256663 - 2⁵ = 56256631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56256163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493423 + ... + 493536.

It is an arithmetic number, because the mean of its divisors is an integer number (9869600).

Almost surely, 2^56256663 is an apocalyptic number.

56256663 is a deficient number, since it is larger than the sum of its proper divisors (22700137).

56256663 is a wasteful number, since it uses less digits than its factorization.

56256663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986981.

The product of its digits is 194400, while the sum is 39.

The square root of 56256663 is about 7500.4441868465. Note that the first 3 decimals coincide. The cubic root of 56256663 is about 383.1698442506.

The spelling of 56256663 in words is "fifty-six million, two hundred fifty-six thousand, six hundred sixty-three".