55556207122 has 16 divisors (see below), whose sum is σ = 91933537752. Its totient is φ = 25015927680.

The previous prime is 55556207089. The next prime is 55556207143. The reversal of 55556207122 is 22170265555.

55556207122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32500517841 + 23055689281 = 180279^2 + 151841^2 .

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, 26057193 + ... + 26059324.

Almost surely, 2^55556207122 is an apocalyptic number.

55556207122 is a deficient number, since it is larger than the sum of its proper divisors (36377330630).

55556207122 is a wasteful number, since it uses less digits than its factorization.

55556207122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52116573.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 55556207122 in words is "fifty-five billion, five hundred fifty-six million, two hundred seven thousand, one hundred twenty-two".