51321883 has 2 divisors, whose sum is σ = 51321884. Its totient is φ = 51321882.

The previous prime is 51321863. The next prime is 51321931. The reversal of 51321883 is 38812315.

51321883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51321883 - 2⁹ = 51321371 is a prime.

It is not a weakly prime, because it can be changed into another prime (51321863) 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 as a sum of consecutive naturals, namely, 25660941 + 25660942.

It is an arithmetic number, because the mean of its divisors is an integer number (25660942).

Almost surely, 2^51321883 is an apocalyptic number.

51321883 is a deficient number, since it is larger than the sum of its proper divisors (1).

51321883 is an equidigital number, since it uses as much as digits as its factorization.

51321883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 51321883 is about 7163.9292989253. The cubic root of 51321883 is about 371.6215246328.

The spelling of 51321883 in words is "fifty-one million, three hundred twenty-one thousand, eight hundred eighty-three".