51783883 has 2 divisors, whose sum is σ = 51783884. Its totient is φ = 51783882.

The previous prime is 51783881. The next prime is 51783913. The reversal of 51783883 is 38838715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51783883 - 2¹ = 51783881 is a prime.

Together with 51783881, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51783881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25891941 + 25891942.

It is an arithmetic number, because the mean of its divisors is an integer number (25891942).

Almost surely, 2^51783883 is an apocalyptic number.

51783883 is a deficient number, since it is larger than the sum of its proper divisors (1).

51783883 is an equidigital number, since it uses as much as digits as its factorization.

51783883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 51783883 is about 7196.1019309068. The cubic root of 51783883 is about 372.7333084902.

The spelling of 51783883 in words is "fifty-one million, seven hundred eighty-three thousand, eight hundred eighty-three".