51433450225 has 12 divisors (see below), whose sum is σ = 63958161996. Its totient is φ = 41030190080.

The previous prime is 51433450223. The next prime is 51433450231. The reversal of 51433450225 is 52205433415.

It can be written as a sum of positive squares in 6 ways, for example, as 1886251761 + 49547198464 = 43431^2 + 222592^2 .

It is not a de Polignac number, because 51433450225 - 2¹ = 51433450223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51433450223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2905252 + ... + 2922901.

It is an arithmetic number, because the mean of its divisors is an integer number (5329846833).

Almost surely, 2^51433450225 is an apocalyptic number.

It is an amenable number.

51433450225 is a deficient number, since it is larger than the sum of its proper divisors (12524711771).

51433450225 is a wasteful number, since it uses less digits than its factorization.

51433450225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828516 (or 5828511 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 51433450225 in words is "fifty-one billion, four hundred thirty-three million, four hundred fifty thousand, two hundred twenty-five".