55404626055 has 32 divisors (see below), whose sum is σ = 92526188544. Its totient is φ = 28256887296.

The previous prime is 55404626051. The next prime is 55404626071. The reversal of 55404626055 is 55062640455.

It is a happy number.

55404626055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55404626055 - 2² = 55404626051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55404625998 and 55404626016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55404626051) 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, 1421842 + ... + 1460288.

It is an arithmetic number, because the mean of its divisors is an integer number (2891443392).

Almost surely, 2^55404626055 is an apocalyptic number.

55404626055 is a deficient number, since it is larger than the sum of its proper divisors (37121562489).

55404626055 is a wasteful number, since it uses less digits than its factorization.

55404626055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42655.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 55404626055 in words is "fifty-five billion, four hundred four million, six hundred twenty-six thousand, fifty-five".