55404532506 has 16 divisors (see below), whose sum is σ = 110826115200. Its totient is φ = 18465335808.

The previous prime is 55404532453. The next prime is 55404532529. The reversal of 55404532506 is 60523540455.

55404532506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 667986 + ... + 746333.

It is an arithmetic number, because the mean of its divisors is an integer number (6926632200).

Almost surely, 2^55404532506 is an apocalyptic number.

55404532506 is an abundant number, since it is smaller than the sum of its proper divisors (55421582694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55404532506 is a wasteful number, since it uses less digits than its factorization.

55404532506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420853.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 55404532506 in words is "fifty-five billion, four hundred four million, five hundred thirty-two thousand, five hundred six".