56680877429 has 16 divisors (see below), whose sum is σ = 62318895936. Its totient is φ = 51124694400.

The previous prime is 56680877417. The next prime is 56680877441. The reversal of 56680877429 is 92477808665.

It is an interprime number because it is at equal distance from previous prime (56680877417) and next prime (56680877441).

It is a cyclic number.

It is not a de Polignac number, because 56680877429 - 2⁴ = 56680877413 is a prime.

It is a super-2 number, since 2×56680877429² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56680877329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1169609 + ... + 1217105.

It is an arithmetic number, because the mean of its divisors is an integer number (3894930996).

Almost surely, 2^56680877429 is an apocalyptic number.

It is an amenable number.

56680877429 is a deficient number, since it is larger than the sum of its proper divisors (5638018507).

56680877429 is a wasteful number, since it uses less digits than its factorization.

56680877429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48356.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 56680877429 in words is "fifty-six billion, six hundred eighty million, eight hundred seventy-seven thousand, four hundred twenty-nine".