56916439 has 8 divisors (see below), whose sum is σ = 57456000. Its totient is φ = 56379576.

The previous prime is 56916413. The next prime is 56916449. The reversal of 56916439 is 93461965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56916439 - 2⁹ = 56915927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56916395 and 56916404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56916449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82992 + ... + 83674.

It is an arithmetic number, because the mean of its divisors is an integer number (7182000).

Almost surely, 2^56916439 is an apocalyptic number.

56916439 is a deficient number, since it is larger than the sum of its proper divisors (539561).

56916439 is a wasteful number, since it uses less digits than its factorization.

56916439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349.

The product of its digits is 174960, while the sum is 43.

The square root of 56916439 is about 7544.2984431954. The cubic root of 56916439 is about 384.6619599833.

The spelling of 56916439 in words is "fifty-six million, nine hundred sixteen thousand, four hundred thirty-nine".