51043053425 has 24 divisors (see below), whose sum is σ = 77899555776. Its totient is φ = 32308568640.

The previous prime is 51043053407. The next prime is 51043053463. The reversal of 51043053425 is 52435034015.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-51043053425 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51043053391 and 51043053400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11215979 + ... + 11220528.

It is an arithmetic number, because the mean of its divisors is an integer number (3245814824).

Almost surely, 2^51043053425 is an apocalyptic number.

It is an amenable number.

51043053425 is a deficient number, since it is larger than the sum of its proper divisors (26856502351).

51043053425 is a wasteful number, since it uses less digits than its factorization.

51043053425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22436537 (or 22436532 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 51043053425 in words is "fifty-one billion, forty-three million, fifty-three thousand, four hundred twenty-five".