56159866 has 16 divisors (see below), whose sum is σ = 96483456. Its totient is φ = 24016176.

The previous prime is 56159843. The next prime is 56159893. The reversal of 56159866 is 66895165.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2700 + ... + 10936.

It is an arithmetic number, because the mean of its divisors is an integer number (6030216).

Almost surely, 2^56159866 is an apocalyptic number.

56159866 is a deficient number, since it is larger than the sum of its proper divisors (40323590).

56159866 is a wasteful number, since it uses less digits than its factorization.

56159866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8733.

The product of its digits is 388800, while the sum is 46.

The square root of 56159866 is about 7493.9886575842. The cubic root of 56159866 is about 382.9499533532.

The spelling of 56159866 in words is "fifty-six million, one hundred fifty-nine thousand, eight hundred sixty-six".