51933811 has 2 divisors, whose sum is σ = 51933812. Its totient is φ = 51933810.

The previous prime is 51933781. The next prime is 51933851. The reversal of 51933811 is 11833915.

51933811 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 51933811 - 2²⁵ = 18379379 is a prime.

It is not a weakly prime, because it can be changed into another prime (51933851) 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, 25966905 + 25966906.

It is an arithmetic number, because the mean of its divisors is an integer number (25966906).

Almost surely, 2^51933811 is an apocalyptic number.

51933811 is a deficient number, since it is larger than the sum of its proper divisors (1).

51933811 is an equidigital number, since it uses as much as digits as its factorization.

51933811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 51933811 is about 7206.5117081706. The cubic root of 51933811 is about 373.0926822996.

The spelling of 51933811 in words is "fifty-one million, nine hundred thirty-three thousand, eight hundred eleven".