55679364731 has 8 divisors (see below), whose sum is σ = 56600023200. Its totient is φ = 54758960640.

The previous prime is 55679364661. The next prime is 55679364791. The reversal of 55679364731 is 13746397655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55679364731 is a prime.

It is a super-2 number, since 2×55679364731² (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 (55679364791) 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, 406235 + ... + 525723.

It is an arithmetic number, because the mean of its divisors is an integer number (7075002900).

Almost surely, 2^55679364731 is an apocalyptic number.

55679364731 is a deficient number, since it is larger than the sum of its proper divisors (920658469).

55679364731 is a wasteful number, since it uses less digits than its factorization.

55679364731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127189.

The product of its digits is 14288400, while the sum is 56.

The spelling of 55679364731 in words is "fifty-five billion, six hundred seventy-nine million, three hundred sixty-four thousand, seven hundred thirty-one".