56658756929 has 2 divisors, whose sum is σ = 56658756930. Its totient is φ = 56658756928.

The previous prime is 56658756923. The next prime is 56658756943. The reversal of 56658756929 is 92965785665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53614476304 + 3044280625 = 231548^2 + 55175^2 .

It is a cyclic number.

It is not a de Polignac number, because 56658756929 - 2²⁸ = 56390321473 is a prime.

It is a super-2 number, since 2×56658756929² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56658756923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28329378464 + 28329378465.

It is an arithmetic number, because the mean of its divisors is an integer number (28329378465).

Almost surely, 2^56658756929 is an apocalyptic number.

It is an amenable number.

56658756929 is a deficient number, since it is larger than the sum of its proper divisors (1).

56658756929 is an equidigital number, since it uses as much as digits as its factorization.

56658756929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944000, while the sum is 68.

The spelling of 56658756929 in words is "fifty-six billion, six hundred fifty-eight million, seven hundred fifty-six thousand, nine hundred twenty-nine".