55542624555 has 96 divisors (see below), whose sum is σ = 100601932032. Its totient is φ = 26128776960.

The previous prime is 55542624503. The next prime is 55542624623.

It is a happy number.

55542624555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55542624555 - 2⁷ = 55542624427 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29748732 + ... + 29750598.

It is an arithmetic number, because the mean of its divisors is an integer number (1047936792).

Almost surely, 2^55542624555 is an apocalyptic number.

55542624555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55542624555 is a deficient number, since it is larger than the sum of its proper divisors (45059307477).

55542624555 is a wasteful number, since it uses less digits than its factorization.

55542624555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377 (or 2366 counting only the distinct ones).

The product of its digits is 6000000, while the sum is 48.

The spelling of 55542624555 in words is "fifty-five billion, five hundred forty-two million, six hundred twenty-four thousand, five hundred fifty-five".