55729360344099 has 128 divisors (see below), whose sum is σ = 85834256256000. Its totient is φ = 31913999050752.

The previous prime is 55729360344089. The next prime is 55729360344127. The reversal of 55729360344099 is 99044306392755.

It is a Cunningham number, because it is equal to 7465210²-1.

It is not a de Polignac number, because 55729360344099 - 2⁵ = 55729360344067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55729360344089) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5725810437 + ... + 5725820169.

It is an arithmetic number, because the mean of its divisors is an integer number (670580127000).

Almost surely, 2^{55729360344099} is an apocalyptic number.

55729360344099 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

55729360344099 is a deficient number, since it is larger than the sum of its proper divisors (30104895911901).

55729360344099 is a wasteful number, since it uses less digits than its factorization.

55729360344099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11509.

The product of its (nonzero) digits is 220449600, while the sum is 66.

The spelling of 55729360344099 in words is "fifty-five trillion, seven hundred twenty-nine billion, three hundred sixty million, three hundred forty-four thousand, ninety-nine".