56613308929 has 4 divisors (see below), whose sum is σ = 56822214400. Its totient is φ = 56404403460.

The previous prime is 56613308881. The next prime is 56613308953. The reversal of 56613308929 is 92980331665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56613308929 - 2²³ = 56604920321 is a prime.

It is a super-2 number, since 2×56613308929² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56613308959) 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, 104452329 + ... + 104452870.

It is an arithmetic number, because the mean of its divisors is an integer number (14205553600).

Almost surely, 2^56613308929 is an apocalyptic number.

It is an amenable number.

56613308929 is a deficient number, since it is larger than the sum of its proper divisors (208905471).

56613308929 is a wasteful number, since it uses less digits than its factorization.

56613308929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208905470.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 56613308929 in words is "fifty-six billion, six hundred thirteen million, three hundred eight thousand, nine hundred twenty-nine".