56819318 has 4 divisors (see below), whose sum is σ = 85228980. Its totient is φ = 28409658.

The previous prime is 56819303. The next prime is 56819327. The reversal of 56819318 is 81391865.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14204828 + ... + 14204831.

It is an arithmetic number, because the mean of its divisors is an integer number (21307245).

Almost surely, 2^56819318 is an apocalyptic number.

56819318 is a deficient number, since it is larger than the sum of its proper divisors (28409662).

56819318 is a wasteful number, since it uses less digits than its factorization.

56819318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28409661.

The product of its digits is 51840, while the sum is 41.

The square root of 56819318 is about 7537.8589798430. The cubic root of 56819318 is about 384.4430424237.

The spelling of 56819318 in words is "fifty-six million, eight hundred nineteen thousand, three hundred eighteen".