55554045555 has 64 divisors (see below), whose sum is σ = 93951498240. Its totient is φ = 27975552000.

The previous prime is 55554045541. The next prime is 55554045557.

55554045555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55554045555 - 2⁵ = 55554045523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55554045557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12507135 + ... + 12511575.

It is an arithmetic number, because the mean of its divisors is an integer number (1467992160).

Almost surely, 2^55554045555 is an apocalyptic number.

55554045555 is a deficient number, since it is larger than the sum of its proper divisors (38397452685).

55554045555 is a wasteful number, since it uses less digits than its factorization.

55554045555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932.

The product of its (nonzero) digits is 6250000, while the sum is 48.

The spelling of 55554045555 in words is "fifty-five billion, five hundred fifty-four million, forty-five thousand, five hundred fifty-five".