55522022555 has 8 divisors (see below), whose sum is σ = 66807972672. Its totient is φ = 44296587648.

The previous prime is 55522022531. The next prime is 55522022617.

55522022555 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55522022555 - 2¹⁶ = 55521957019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15126782 + ... + 15130451.

It is an arithmetic number, because the mean of its divisors is an integer number (8350996584).

Almost surely, 2^55522022555 is an apocalyptic number.

55522022555 is a deficient number, since it is larger than the sum of its proper divisors (11285950117).

55522022555 is a wasteful number, since it uses less digits than its factorization.

55522022555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30257605.

The product of its (nonzero) digits is 250000, while the sum is 38.

It can be divided in two parts, 555220 and 22555, that added together give a palindrome (577775).

The spelling of 55522022555 in words is "fifty-five billion, five hundred twenty-two million, twenty-two thousand, five hundred fifty-five".