56912782 has 4 divisors (see below), whose sum is σ = 85369176. Its totient is φ = 28456390.

The previous prime is 56912777. The next prime is 56912827. The reversal of 56912782 is 28721965.

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

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14228194 + ... + 14228197.

It is an arithmetic number, because the mean of its divisors is an integer number (21342294).

Almost surely, 2^56912782 is an apocalyptic number.

56912782 is a deficient number, since it is larger than the sum of its proper divisors (28456394).

56912782 is a wasteful number, since it uses less digits than its factorization.

56912782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28456393.

The product of its digits is 60480, while the sum is 40.

The square root of 56912782 is about 7544.0560708415. The cubic root of 56912782 is about 384.6537213622.

The spelling of 56912782 in words is "fifty-six million, nine hundred twelve thousand, seven hundred eighty-two".