55542624554 has 16 divisors (see below), whose sum is σ = 83493333792. Its totient is φ = 27711567408.

The previous prime is 55542624503. The next prime is 55542624623. The reversal of 55542624554 is 45542624555.

55542624554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55542624499 and 55542624508.

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, 2237897 + ... + 2262579.

It is an arithmetic number, because the mean of its divisors is an integer number (5218333362).

Almost surely, 2^55542624554 is an apocalyptic number.

55542624554 is a deficient number, since it is larger than the sum of its proper divisors (27950709238).

55542624554 is a wasteful number, since it uses less digits than its factorization.

55542624554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27061.

The product of its digits is 4800000, while the sum is 47.

Subtracting from 55542624554 its reverse (45542624555), we obtain a palindrome (9999999999).

The spelling of 55542624554 in words is "fifty-five billion, five hundred forty-two million, six hundred twenty-four thousand, five hundred fifty-four".