51436594225 has 48 divisors (see below), whose sum is σ = 66424320000. Its totient is φ = 39469435200.

The previous prime is 51436594217. The next prime is 51436594259. The reversal of 51436594225 is 52249563415.

It is not a de Polignac number, because 51436594225 - 2³ = 51436594217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83095966 + ... + 83096584.

It is an arithmetic number, because the mean of its divisors is an integer number (1383840000).

Almost surely, 2^51436594225 is an apocalyptic number.

It is an amenable number.

51436594225 is a deficient number, since it is larger than the sum of its proper divisors (14987725775).

51436594225 is a wasteful number, since it uses less digits than its factorization.

51436594225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 1433 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 46.

The spelling of 51436594225 in words is "fifty-one billion, four hundred thirty-six million, five hundred ninety-four thousand, two hundred twenty-five".