56773894 has 4 divisors (see below), whose sum is σ = 85160844. Its totient is φ = 28386946.

The previous prime is 56773883. The next prime is 56773907. The reversal of 56773894 is 49837765.

It is a happy number.

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

It is a Smith number, since the sum of its digits (49) 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14193472 + ... + 14193475.

It is an arithmetic number, because the mean of its divisors is an integer number (21290211).

Almost surely, 2^56773894 is an apocalyptic number.

56773894 is a deficient number, since it is larger than the sum of its proper divisors (28386950).

56773894 is a wasteful number, since it uses less digits than its factorization.

56773894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28386949.

The product of its digits is 1270080, while the sum is 49.

The square root of 56773894 is about 7534.8453202438. The cubic root of 56773894 is about 384.3405679074.

The spelling of 56773894 in words is "fifty-six million, seven hundred seventy-three thousand, eight hundred ninety-four".