55552425555 has 48 divisors (see below), whose sum is σ = 97791376032. Its totient is φ = 26908992000.

The previous prime is 55552425521. The next prime is 55552425557.

55552425555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55552425555 - 2⁹ = 55552425043 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55552425557) 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 47 ways as a sum of consecutive naturals, for example, 1977105 + ... + 2005005.

It is an arithmetic number, because the mean of its divisors is an integer number (2037320334).

Almost surely, 2^55552425555 is an apocalyptic number.

55552425555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55552425555 is a deficient number, since it is larger than the sum of its proper divisors (42238950477).

55552425555 is a wasteful number, since it uses less digits than its factorization.

55552425555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29028 (or 29017 counting only the distinct ones).

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

The spelling of 55552425555 in words is "fifty-five billion, five hundred fifty-two million, four hundred twenty-five thousand, five hundred fifty-five".