55433431325 has 6 divisors (see below), whose sum is σ = 68737454874. Its totient is φ = 44346745040.

The previous prime is 55433431321. The next prime is 55433431337. The reversal of 55433431325 is 52313433455.

It can be written as a sum of positive squares in 3 ways, for example, as 8276268676 + 47157162649 = 90974^2 + 217157^2 .

It is not a de Polignac number, because 55433431325 - 2² = 55433431321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55433431321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1108668602 + ... + 1108668651.

It is an arithmetic number, because the mean of its divisors is an integer number (11456242479).

Almost surely, 2^55433431325 is an apocalyptic number.

It is an amenable number.

55433431325 is a deficient number, since it is larger than the sum of its proper divisors (13304023549).

55433431325 is a wasteful number, since it uses less digits than its factorization.

55433431325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217337263 (or 2217337258 counting only the distinct ones).

The product of its digits is 324000, while the sum is 38.

The spelling of 55433431325 in words is "fifty-five billion, four hundred thirty-three million, four hundred thirty-one thousand, three hundred twenty-five".