55019981011269 has 8 divisors (see below), whose sum is σ = 73360055052000. Its totient is φ = 36679947155696.

The previous prime is 55019981011231. The next prime is 55019981011351. The reversal of 55019981011269 is 96211018991055.

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

It is a cyclic number.

It is not a de Polignac number, because 55019981011269 - 2¹⁶ = 55019980945733 is a prime.

It is a super-2 number, since 2×55019981011269² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55019981011669) 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, 6691542 + ... + 12442535.

It is an arithmetic number, because the mean of its divisors is an integer number (9170006881500).

Almost surely, 2^{55019981011269} is an apocalyptic number.

It is an amenable number.

55019981011269 is a deficient number, since it is larger than the sum of its proper divisors (18340074040731).

55019981011269 is a wasteful number, since it uses less digits than its factorization.

55019981011269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20092579.

The product of its (nonzero) digits is 1749600, while the sum is 57.

The spelling of 55019981011269 in words is "fifty-five trillion, nineteen billion, nine hundred eighty-one million, eleven thousand, two hundred sixty-nine".