56155994 has 8 divisors (see below), whose sum is σ = 84792288. Its totient is φ = 27891900.

The previous prime is 56155993. The next prime is 56155997. The reversal of 56155994 is 49955165.

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

It is not an unprimeable number, because it can be changed into a prime (56155993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92672 + ... + 93275.

It is an arithmetic number, because the mean of its divisors is an integer number (10599036).

Almost surely, 2^56155994 is an apocalyptic number.

56155994 is a deficient number, since it is larger than the sum of its proper divisors (28636294).

56155994 is a wasteful number, since it uses less digits than its factorization.

56155994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186100.

The product of its digits is 243000, while the sum is 44.

The square root of 56155994 is about 7493.7303127348. The cubic root of 56155994 is about 382.9411521908.

The spelling of 56155994 in words is "fifty-six million, one hundred fifty-five thousand, nine hundred ninety-four".