56129512229 has 8 divisors (see below), whose sum is σ = 64637694528. Its totient is φ = 47743750080.

The previous prime is 56129512223. The next prime is 56129512249. The reversal of 56129512229 is 92221592165.

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

It is a cyclic number.

It is not a de Polignac number, because 56129512229 - 2⁸ = 56129511973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56129512229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56129512223) 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, 30604052 + ... + 30605885.

It is an arithmetic number, because the mean of its divisors is an integer number (8079711816).

Almost surely, 2^56129512229 is an apocalyptic number.

It is an amenable number.

56129512229 is a deficient number, since it is larger than the sum of its proper divisors (8508182299).

56129512229 is a wasteful number, since it uses less digits than its factorization.

56129512229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61210075.

The product of its digits is 194400, while the sum is 44.

The spelling of 56129512229 in words is "fifty-six billion, one hundred twenty-nine million, five hundred twelve thousand, two hundred twenty-nine".