55552225555 has 32 divisors (see below), whose sum is σ = 71463974400. Its totient is φ = 41329170432.

The previous prime is 55552225511. The next prime is 55552225559.

55552225555 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 55552225555 - 2¹⁹ = 55551701267 is a prime.

It is a super-2 number, since 2×55552225555² (a number of 22 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (55552225559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4068019 + ... + 4081651.

It is an arithmetic number, because the mean of its divisors is an integer number (2233249200).

Almost surely, 2^55552225555 is an apocalyptic number.

55552225555 is a deficient number, since it is larger than the sum of its proper divisors (15911748845).

55552225555 is a wasteful number, since it uses less digits than its factorization.

55552225555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14443.

The product of its digits is 3125000, while the sum is 46.

The spelling of 55552225555 in words is "fifty-five billion, five hundred fifty-two million, two hundred twenty-five thousand, five hundred fifty-five".