56663894 has 12 divisors (see below), whose sum is σ = 98872884. Its totient is φ = 24284484.

The previous prime is 56663891. The next prime is 56663899. The reversal of 56663894 is 49836665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56663891) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289004 + ... + 289199.

It is an arithmetic number, because the mean of its divisors is an integer number (8239407).

Almost surely, 2^56663894 is an apocalyptic number.

56663894 is a deficient number, since it is larger than the sum of its proper divisors (42208990).

56663894 is a wasteful number, since it uses less digits than its factorization.

56663894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578219 (or 578212 counting only the distinct ones).

The product of its digits is 933120, while the sum is 47.

The square root of 56663894 is about 7527.5423612226. The cubic root of 56663894 is about 384.0921861644.

The spelling of 56663894 in words is "fifty-six million, six hundred sixty-three thousand, eight hundred ninety-four".