55222881775 has 12 divisors (see below), whose sum is σ = 69301392552. Its totient is φ = 43646035040.

The previous prime is 55222881767. The next prime is 55222881817. The reversal of 55222881775 is 57718822255.

It is not a de Polignac number, because 55222881775 - 2³ = 55222881767 is a prime.

It is a super-3 number, since 3×55222881775³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13304644 + ... + 13308793.

It is an arithmetic number, because the mean of its divisors is an integer number (5775116046).

Almost surely, 2^55222881775 is an apocalyptic number.

55222881775 is a deficient number, since it is larger than the sum of its proper divisors (14078510777).

55222881775 is a wasteful number, since it uses less digits than its factorization.

55222881775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26613530 (or 26613525 counting only the distinct ones).

The product of its digits is 3136000, while the sum is 52.

The spelling of 55222881775 in words is "fifty-five billion, two hundred twenty-two million, eight hundred eighty-one thousand, seven hundred seventy-five".