56533662129 has 64 divisors (see below), whose sum is σ = 92691855360. Its totient is φ = 29915827200.

The previous prime is 56533662127. The next prime is 56533662179. The reversal of 56533662129 is 92126633565.

It is not a de Polignac number, because 56533662129 - 2¹ = 56533662127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56533662127) 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 63 ways as a sum of consecutive naturals, for example, 5872482 + ... + 5882100.

It is an arithmetic number, because the mean of its divisors is an integer number (1448310240).

Almost surely, 2^56533662129 is an apocalyptic number.

It is an amenable number.

56533662129 is a deficient number, since it is larger than the sum of its proper divisors (36158193231).

56533662129 is a wasteful number, since it uses less digits than its factorization.

56533662129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9910.

The product of its digits is 1749600, while the sum is 48.

The spelling of 56533662129 in words is "fifty-six billion, five hundred thirty-three million, six hundred sixty-two thousand, one hundred twenty-nine".