55144330325 has 48 divisors (see below), whose sum is σ = 82765893120. Its totient is φ = 35602960320.

The previous prime is 55144330321. The next prime is 55144330331. The reversal of 55144330325 is 52303344155.

It is a happy number.

It is not a de Polignac number, because 55144330325 - 2² = 55144330321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55144330321) 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, 491102 + ... + 592848.

It is an arithmetic number, because the mean of its divisors is an integer number (1724289440).

Almost surely, 2^55144330325 is an apocalyptic number.

It is an amenable number.

55144330325 is a deficient number, since it is larger than the sum of its proper divisors (27621562795).

55144330325 is a wasteful number, since it uses less digits than its factorization.

55144330325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101946 (or 101941 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 55144330325 in words is "fifty-five billion, one hundred forty-four million, three hundred thirty thousand, three hundred twenty-five".