55443404125 has 8 divisors (see below), whose sum is σ = 69193368504. Its totient is φ = 44354723200.

The previous prime is 55443404123. The next prime is 55443404141. The reversal of 55443404125 is 52140434455.

It can be written as a sum of positive squares in 4 ways, for example, as 658384281 + 54785019844 = 25659^2 + 234062^2 .

It is not a de Polignac number, because 55443404125 - 2¹ = 55443404123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55443404123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221773492 + ... + 221773741.

It is an arithmetic number, because the mean of its divisors is an integer number (8649171063).

Almost surely, 2^55443404125 is an apocalyptic number.

It is an amenable number.

55443404125 is a deficient number, since it is larger than the sum of its proper divisors (13749964379).

55443404125 is an equidigital number, since it uses as much as digits as its factorization.

55443404125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443547248 (or 443547238 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 55443404125 in words is "fifty-five billion, four hundred forty-three million, four hundred four thousand, one hundred twenty-five".