56783074 has 4 divisors (see below), whose sum is σ = 85174614. Its totient is φ = 28391536.

The previous prime is 56783063. The next prime is 56783099. The reversal of 56783074 is 47038765.

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., 44983849 + 11799225 = 6707^2 + 3435^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14195767 + ... + 14195770.

Almost surely, 2^56783074 is an apocalyptic number.

56783074 is a deficient number, since it is larger than the sum of its proper divisors (28391540).

56783074 is a wasteful number, since it uses less digits than its factorization.

56783074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28391539.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 56783074 is about 7535.4544653922. The cubic root of 56783074 is about 384.3612819834.

The spelling of 56783074 in words is "fifty-six million, seven hundred eighty-three thousand, seventy-four".