56755563 has 8 divisors (see below), whose sum is σ = 75743808. Its totient is φ = 37802184.

The previous prime is 56755553. The next prime is 56755579. The reversal of 56755563 is 36555765.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-56755563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56755553) 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, 4645 + ... + 11622.

It is an arithmetic number, because the mean of its divisors is an integer number (9467976).

Almost surely, 2^56755563 is an apocalyptic number.

56755563 is a deficient number, since it is larger than the sum of its proper divisors (18988245).

56755563 is a wasteful number, since it uses less digits than its factorization.

56755563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17433.

The product of its digits is 472500, while the sum is 42.

The square root of 56755563 is about 7533.6288068898. The cubic root of 56755563 is about 384.2991985100.

The spelling of 56755563 in words is "fifty-six million, seven hundred fifty-five thousand, five hundred sixty-three".