56178946 has 8 divisors (see below), whose sum is σ = 84826944. Its totient is φ = 27903300.

The previous prime is 56178943. The next prime is 56179001. The reversal of 56178946 is 64987165.

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

It is a junction number, because it is equal to n+sod(n) for n = 56178896 and 56178905.

It is not an unprimeable number, because it can be changed into a prime (56178943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92710 + ... + 93313.

It is an arithmetic number, because the mean of its divisors is an integer number (10603368).

Almost surely, 2^56178946 is an apocalyptic number.

56178946 is a deficient number, since it is larger than the sum of its proper divisors (28647998).

56178946 is a wasteful number, since it uses less digits than its factorization.

56178946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186176.

The product of its digits is 362880, while the sum is 46.

The square root of 56178946 is about 7495.2615698186. The cubic root of 56178946 is about 382.9933168101.

It can be divided in two parts, 561 and 78946, that added together give a cube (79507 = 43³).

The spelling of 56178946 in words is "fifty-six million, one hundred seventy-eight thousand, nine hundred forty-six".