56151766 has 16 divisors (see below), whose sum is σ = 92498688. Its totient is φ = 25353000.

The previous prime is 56151737. The next prime is 56151773. The reversal of 56151766 is 66715165.

It is a congruent number.

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, 5130 + ... + 11773.

It is an arithmetic number, because the mean of its divisors is an integer number (5781168).

Almost surely, 2^56151766 is an apocalyptic number.

56151766 is a deficient number, since it is larger than the sum of its proper divisors (36346922).

56151766 is a wasteful number, since it uses less digits than its factorization.

56151766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17067.

The product of its digits is 37800, while the sum is 37.

The square root of 56151766 is about 7493.4482049321. The cubic root of 56151766 is about 382.9315413686.

It can be divided in two parts, 5615 and 1766, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 56151766 in words is "fifty-six million, one hundred fifty-one thousand, seven hundred sixty-six".