51543105232325 has 24 divisors (see below), whose sum is σ = 73044256796928. Its totient is φ = 35343691951680.

The previous prime is 51543105232321. The next prime is 51543105232349. The reversal of 51543105232325 is 52323250134515.

It is not a de Polignac number, because 51543105232325 - 2² = 51543105232321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51543105232321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53475359 + ... + 54430691.

It is an arithmetic number, because the mean of its divisors is an integer number (3043510699872).

Almost surely, 2^{51543105232325} is an apocalyptic number.

It is an amenable number.

51543105232325 is a deficient number, since it is larger than the sum of its proper divisors (21501151564603).

51543105232325 is a wasteful number, since it uses less digits than its factorization.

51543105232325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263653 (or 1263648 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 51543105232325 in words is "fifty-one trillion, five hundred forty-three billion, one hundred five million, two hundred thirty-two thousand, three hundred twenty-five".