51322449 has 8 divisors (see below), whose sum is σ = 69886080. Its totient is φ = 33486896.

The previous prime is 51322423. The next prime is 51322459. The reversal of 51322449 is 94422315.

51322449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51322449 - 2⁵ = 51322417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51322459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181854 + ... + 182135.

It is an arithmetic number, because the mean of its divisors is an integer number (8735760).

Almost surely, 2^51322449 is an apocalyptic number.

It is an amenable number.

51322449 is a deficient number, since it is larger than the sum of its proper divisors (18563631).

51322449 is a wasteful number, since it uses less digits than its factorization.

51322449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364039.

The product of its digits is 8640, while the sum is 30.

The square root of 51322449 is about 7163.9688022771. The cubic root of 51322449 is about 371.6228907623.

The spelling of 51322449 in words is "fifty-one million, three hundred twenty-two thousand, four hundred forty-nine".