55110007222019 has 4 divisors (see below), whose sum is σ = 58351772352744. Its totient is φ = 51868242091296.

The previous prime is 55110007221991. The next prime is 55110007222057. The reversal of 55110007222019 is 91022270001155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55110007222019 is a prime.

It is a super-2 number, since 2×55110007222019² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55110007222019.

It is not an unprimeable number, because it can be changed into a prime (55110007221019) 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, 1620882565337 + ... + 1620882565370.

It is an arithmetic number, because the mean of its divisors is an integer number (14587943088186).

Almost surely, 2^{55110007222019} is an apocalyptic number.

55110007222019 is a deficient number, since it is larger than the sum of its proper divisors (3241765130725).

55110007222019 is a wasteful number, since it uses less digits than its factorization.

55110007222019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241765130724.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 55110007222019 in words is "fifty-five trillion, one hundred ten billion, seven million, two hundred twenty-two thousand, nineteen".