56566774 has 12 divisors (see below), whose sum is σ = 93265452. Its totient is φ = 25712060.

The previous prime is 56566771. The next prime is 56566787. The reversal of 56566774 is 47766565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56566771) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 116632 + ... + 117115.

It is an arithmetic number, because the mean of its divisors is an integer number (7772121).

Almost surely, 2^56566774 is an apocalyptic number.

56566774 is a deficient number, since it is larger than the sum of its proper divisors (36698678).

56566774 is a wasteful number, since it uses less digits than its factorization.

56566774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233771 (or 233760 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 56566774 is about 7521.0886180127. The cubic root of 56566774 is about 383.8726203301.

The spelling of 56566774 in words is "fifty-six million, five hundred sixty-six thousand, seven hundred seventy-four".