51324244325 has 12 divisors (see below), whose sum is σ = 63647698980. Its totient is φ = 41055759360.

The previous prime is 51324244319. The next prime is 51324244333. The reversal of 51324244325 is 52344242315.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5342732836 + 45981511489 = 73094^2 + 214433^2 .

It is not a de Polignac number, because 51324244325 - 2²² = 51320050021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217571 + ... + 387279.

It is an arithmetic number, because the mean of its divisors is an integer number (5303974915).

Almost surely, 2^51324244325 is an apocalyptic number.

It is an amenable number.

51324244325 is a deficient number, since it is larger than the sum of its proper divisors (12323454655).

51324244325 is a wasteful number, since it uses less digits than its factorization.

51324244325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181816 (or 181811 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The spelling of 51324244325 in words is "fifty-one billion, three hundred twenty-four million, two hundred forty-four thousand, three hundred twenty-five".