55260666055129 has 4 divisors (see below), whose sum is σ = 55682503200720. Its totient is φ = 54838828909540.

The previous prime is 55260666055121. The next prime is 55260666055159. The reversal of 55260666055129 is 92155066606255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55260666055129 - 2³ = 55260666055121 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55260666055121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210918572599 + ... + 210918572860.

It is an arithmetic number, because the mean of its divisors is an integer number (13920625800180).

Almost surely, 2^{55260666055129} is an apocalyptic number.

It is an amenable number.

55260666055129 is a deficient number, since it is larger than the sum of its proper divisors (421837145591).

55260666055129 is a wasteful number, since it uses less digits than its factorization.

55260666055129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421837145590.

The product of its (nonzero) digits is 29160000, while the sum is 58.

The spelling of 55260666055129 in words is "fifty-five trillion, two hundred sixty billion, six hundred sixty-six million, fifty-five thousand, one hundred twenty-nine".