56961238229 has 4 divisors (see below), whose sum is σ = 65098557984. Its totient is φ = 48823918476.

The previous prime is 56961238219. The next prime is 56961238261. The reversal of 56961238229 is 92283216965.

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 56961238229 - 2²⁰ = 56960189653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56961238219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4068659867 + ... + 4068659880.

It is an arithmetic number, because the mean of its divisors is an integer number (16274639496).

Almost surely, 2^56961238229 is an apocalyptic number.

It is an amenable number.

56961238229 is a deficient number, since it is larger than the sum of its proper divisors (8137319755).

56961238229 is an equidigital number, since it uses as much as digits as its factorization.

56961238229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8137319754.

The product of its digits is 2799360, while the sum is 53.

The spelling of 56961238229 in words is "fifty-six billion, nine hundred sixty-one million, two hundred thirty-eight thousand, two hundred twenty-nine".