56419994 has 4 divisors (see below), whose sum is σ = 84629994. Its totient is φ = 28209996.

The previous prime is 56419933. The next prime is 56420003. The reversal of 56419994 is 49991465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50481025 + 5938969 = 7105^2 + 2437^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14104997 + ... + 14105000.

Almost surely, 2^56419994 is an apocalyptic number.

56419994 is a deficient number, since it is larger than the sum of its proper divisors (28210000).

56419994 is a wasteful number, since it uses less digits than its factorization.

56419994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28209999.

The product of its digits is 349920, while the sum is 47.

The square root of 56419994 is about 7511.3243838886. The cubic root of 56419994 is about 383.5403072996.

The spelling of 56419994 in words is "fifty-six million, four hundred nineteen thousand, nine hundred ninety-four".