56713719 has 4 divisors (see below), whose sum is σ = 75618296. Its totient is φ = 37809144.

The previous prime is 56713697. The next prime is 56713729. The reversal of 56713719 is 91731765.

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

It is not a de Polignac number, because 56713719 - 2⁵ = 56713687 is a prime.

It is a super-2 number, since 2×56713719² = 6432891845621922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56713729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9452284 + ... + 9452289.

It is an arithmetic number, because the mean of its divisors is an integer number (18904574).

Almost surely, 2^56713719 is an apocalyptic number.

56713719 is a deficient number, since it is larger than the sum of its proper divisors (18904577).

56713719 is a wasteful number, since it uses less digits than its factorization.

56713719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18904576.

The product of its digits is 39690, while the sum is 39.

The square root of 56713719 is about 7530.8511471148. The cubic root of 56713719 is about 384.2047315929.

The spelling of 56713719 in words is "fifty-six million, seven hundred thirteen thousand, seven hundred nineteen".