55222266551 has 16 divisors (see below), whose sum is σ = 56834764800. Its totient is φ = 53625565728.

The previous prime is 55222266487. The next prime is 55222266623. The reversal of 55222266551 is 15566222255.

It is a cyclic number.

It is not a de Polignac number, because 55222266551 - 2⁶ = 55222266487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55222266499 and 55222266508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55224266551) 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, 5700530 + ... + 5710208.

It is an arithmetic number, because the mean of its divisors is an integer number (3552172800).

Almost surely, 2^55222266551 is an apocalyptic number.

55222266551 is a deficient number, since it is larger than the sum of its proper divisors (1612498249).

55222266551 is a wasteful number, since it uses less digits than its factorization.

55222266551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10478.

The product of its digits is 360000, while the sum is 41.

The spelling of 55222266551 in words is "fifty-five billion, two hundred twenty-two million, two hundred sixty-six thousand, five hundred fifty-one".