55510111101055 has 16 divisors (see below), whose sum is σ = 72542167669440. Its totient is φ = 40531496848128.

The previous prime is 55510111101047. The next prime is 55510111101059. The reversal of 55510111101055 is 55010111101555.

It is not a de Polignac number, because 55510111101055 - 2³ = 55510111101047 is a prime.

It is a super-2 number, since 2×55510111101055² (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 (55510111101059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4797756627 + ... + 4797768196.

It is an arithmetic number, because the mean of its divisors is an integer number (4533885479340).

Almost surely, 2^{55510111101055} is an apocalyptic number.

55510111101055 is a deficient number, since it is larger than the sum of its proper divisors (17032056568385).

55510111101055 is a wasteful number, since it uses less digits than its factorization.

55510111101055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9595524930.

The product of its (nonzero) digits is 3125, while the sum is 31.

The spelling of 55510111101055 in words is "fifty-five trillion, five hundred ten billion, one hundred eleven million, one hundred one thousand, fifty-five".