55397544579355 has 32 divisors (see below), whose sum is σ = 72643722452928. Its totient is φ = 40220632166400.

The previous prime is 55397544579343. The next prime is 55397544579359.

55397544579355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55397544579355 - 2⁹ = 55397544578843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55397544579359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577726015 + ... + 577821895.

It is an arithmetic number, because the mean of its divisors is an integer number (2270116326654).

Almost surely, 2^{55397544579355} is an apocalyptic number.

55397544579355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55397544579355 is a deficient number, since it is larger than the sum of its proper divisors (17246177873573).

55397544579355 is a wasteful number, since it uses less digits than its factorization.

55397544579355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113647.

The product of its digits is 8930250000, while the sum is 76.

The spelling of 55397544579355 in words is "fifty-five trillion, three hundred ninety-seven billion, five hundred forty-four million, five hundred seventy-nine thousand, three hundred fifty-five".