55639700793655 has 128 divisors (see below), whose sum is σ = 77770152345600. Its totient is φ = 37830755289600.

The previous prime is 55639700793641. The next prime is 55639700793661.

55639700793655 is nontrivially palindromic in base 10.

55639700793655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55639700793655 - 2⁹ = 55639700793143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20373378640 + ... + 20373381370.

It is an arithmetic number, because the mean of its divisors is an integer number (607579315200).

Almost surely, 2^{55639700793655} is an apocalyptic number.

55639700793655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55639700793655 is a deficient number, since it is larger than the sum of its proper divisors (22130451551945).

55639700793655 is a wasteful number, since it uses less digits than its factorization.

55639700793655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285.

The product of its (nonzero) digits is 803722500, while the sum is 70.

The spelling of 55639700793655 in words is "fifty-five trillion, six hundred thirty-nine billion, seven hundred million, seven hundred ninety-three thousand, six hundred fifty-five".