55110032881 has 4 divisors (see below), whose sum is σ = 55145520612. Its totient is φ = 55074545152.

The previous prime is 55110032851. The next prime is 55110032891. The reversal of 55110032881 is 18823001155.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2870816400 + 52239216481 = 53580^2 + 228559^2 .

It is a cyclic number.

It is not a de Polignac number, because 55110032881 - 2⁵ = 55110032849 is a prime.

It is a super-2 number, since 2×55110032881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55110032851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17741536 + ... + 17744641.

It is an arithmetic number, because the mean of its divisors is an integer number (13786380153).

Almost surely, 2^55110032881 is an apocalyptic number.

It is an amenable number.

55110032881 is a deficient number, since it is larger than the sum of its proper divisors (35487731).

55110032881 is a wasteful number, since it uses less digits than its factorization.

55110032881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35487730.

The product of its (nonzero) digits is 9600, while the sum is 34.

The spelling of 55110032881 in words is "fifty-five billion, one hundred ten million, thirty-two thousand, eight hundred eighty-one".