56178394 has 8 divisors (see below), whose sum is σ = 87173460. Its totient is φ = 27120576.

The previous prime is 56178389. The next prime is 56178403. The reversal of 56178394 is 49387165.

It can be written as a sum of positive squares in 2 ways, for example, as 49350625 + 6827769 = 7025^2 + 2613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 56178394.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484239 + ... + 484354.

Almost surely, 2^56178394 is an apocalyptic number.

56178394 is a deficient number, since it is larger than the sum of its proper divisors (30995066).

56178394 is a wasteful number, since it uses less digits than its factorization.

56178394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968624.

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

The square root of 56178394 is about 7495.2247464636. The cubic root of 56178394 is about 382.9920624078.

The spelling of 56178394 in words is "fifty-six million, one hundred seventy-eight thousand, three hundred ninety-four".