55222531233 has 4 divisors (see below), whose sum is σ = 73630041648. Its totient is φ = 36815020820.

The previous prime is 55222531229. The next prime is 55222531241. The reversal of 55222531233 is 33213522255.

55222531233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55222531233 - 2² = 55222531229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55222531194 and 55222531203.

It is not an unprimeable number, because it can be changed into a prime (55222531223) 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, 9203755203 + ... + 9203755208.

It is an arithmetic number, because the mean of its divisors is an integer number (18407510412).

Almost surely, 2^55222531233 is an apocalyptic number.

It is an amenable number.

55222531233 is a deficient number, since it is larger than the sum of its proper divisors (18407510415).

55222531233 is a wasteful number, since it uses less digits than its factorization.

55222531233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18407510414.

The product of its digits is 54000, while the sum is 33.

The spelling of 55222531233 in words is "fifty-five billion, two hundred twenty-two million, five hundred thirty-one thousand, two hundred thirty-three".