51544232325 has 18 divisors (see below), whose sum is σ = 92321447634. Its totient is φ = 27490257120.

The previous prime is 51544232321. The next prime is 51544232347. The reversal of 51544232325 is 52323244515.

51544232325 is a `hidden beast` number, since 51 + 54 + 4 + 232 + 325 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 14980291236 + 36563941089 = 122394^2 + 191217^2 .

It is not a de Polignac number, because 51544232325 - 2² = 51544232321 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51544232325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51544232321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 114542514 + ... + 114542963.

It is an arithmetic number, because the mean of its divisors is an integer number (5128969313).

Almost surely, 2^51544232325 is an apocalyptic number.

It is an amenable number.

51544232325 is a deficient number, since it is larger than the sum of its proper divisors (40777215309).

51544232325 is a wasteful number, since it uses less digits than its factorization.

51544232325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229085493 (or 229085485 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The spelling of 51544232325 in words is "fifty-one billion, five hundred forty-four million, two hundred thirty-two thousand, three hundred twenty-five".