55131323325 has 48 divisors (see below), whose sum is σ = 98670976320. Its totient is φ = 27000852480.

The previous prime is 55131323293. The next prime is 55131323329. The reversal of 55131323325 is 52332313155.

It is not a de Polignac number, because 55131323325 - 2⁵ = 55131323293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55131323329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41686 + ... + 334664.

It is an arithmetic number, because the mean of its divisors is an integer number (2055645340).

Almost surely, 2^55131323325 is an apocalyptic number.

It is an amenable number.

55131323325 is a deficient number, since it is larger than the sum of its proper divisors (43539652995).

55131323325 is a wasteful number, since it uses less digits than its factorization.

55131323325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293198 (or 293193 counting only the distinct ones).

The product of its digits is 40500, while the sum is 33.

The spelling of 55131323325 in words is "fifty-five billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty-five".