55769760731 has 4 divisors (see below), whose sum is σ = 55805766000. Its totient is φ = 55733755464.

The previous prime is 55769760701. The next prime is 55769760733. The reversal of 55769760731 is 13706796755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55769760731 is a prime.

It is a super-2 number, since 2×55769760731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55769760733) 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 3 ways as a sum of consecutive naturals, for example, 18000311 + ... + 18003408.

It is an arithmetic number, because the mean of its divisors is an integer number (13951441500).

Almost surely, 2^55769760731 is an apocalyptic number.

55769760731 is a deficient number, since it is larger than the sum of its proper divisors (36005269).

55769760731 is a wasteful number, since it uses less digits than its factorization.

55769760731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36005268.

The product of its (nonzero) digits is 8334900, while the sum is 56.

The spelling of 55769760731 in words is "fifty-five billion, seven hundred sixty-nine million, seven hundred sixty thousand, seven hundred thirty-one".