56387194 has 16 divisors (see below), whose sum is σ = 87748200. Its totient is φ = 27143424.

The previous prime is 56387183. The next prime is 56387197. The reversal of 56387194 is 49178365.

It can be written as a sum of positive squares in 4 ways, for example, as 54390625 + 1996569 = 7375^2 + 1413^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56387194.

It is not an unprimeable number, because it can be changed into a prime (56387197) 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, 22534 + ... + 24910.

Almost surely, 2^56387194 is an apocalyptic number.

56387194 is a deficient number, since it is larger than the sum of its proper divisors (31361006).

56387194 is a wasteful number, since it uses less digits than its factorization.

56387194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its digits is 181440, while the sum is 43.

The square root of 56387194 is about 7509.1406965112. The cubic root of 56387194 is about 383.4659686370.

The spelling of 56387194 in words is "fifty-six million, three hundred eighty-seven thousand, one hundred ninety-four".