56817349039 has 8 divisors (see below), whose sum is σ = 62158154832. Its totient is φ = 51505808640.

The previous prime is 56817349021. The next prime is 56817349091. The reversal of 56817349039 is 93094371865.

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

It is not a de Polignac number, because 56817349039 - 2⁵ = 56817349007 is a prime.

It is a super-2 number, since 2×56817349039² (a number of 22 digits) 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 (56817341039) 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, 7312284 + ... + 7320049.

It is an arithmetic number, because the mean of its divisors is an integer number (7769769354).

Almost surely, 2^56817349039 is an apocalyptic number.

56817349039 is a deficient number, since it is larger than the sum of its proper divisors (5340805793).

56817349039 is a wasteful number, since it uses less digits than its factorization.

56817349039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14632697.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 56817349039 in words is "fifty-six billion, eight hundred seventeen million, three hundred forty-nine thousand, thirty-nine".