55222312212253 has 4 divisors (see below), whose sum is σ = 56000091257568. Its totient is φ = 54444533166940.

The previous prime is 55222312212241. The next prime is 55222312212349. The reversal of 55222312212253 is 35221221322255.

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 a de Polignac number, because none of the positive numbers 2^k-55222312212253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55222312212953) 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, 388889522551 + ... + 388889522692.

It is an arithmetic number, because the mean of its divisors is an integer number (14000022814392).

Almost surely, 2^{55222312212253} is an apocalyptic number.

It is an amenable number.

55222312212253 is a deficient number, since it is larger than the sum of its proper divisors (777779045315).

55222312212253 is an equidigital number, since it uses as much as digits as its factorization.

55222312212253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777779045314.

The product of its digits is 144000, while the sum is 37.

The spelling of 55222312212253 in words is "fifty-five trillion, two hundred twenty-two billion, three hundred twelve million, two hundred twelve thousand, two hundred fifty-three".