51864083 has 2 divisors, whose sum is σ = 51864084. Its totient is φ = 51864082.

The previous prime is 51864061. The next prime is 51864089. The reversal of 51864083 is 38046815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51864083 - 2⁶ = 51864019 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51864089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25932041 + 25932042.

It is an arithmetic number, because the mean of its divisors is an integer number (25932042).

Almost surely, 2^51864083 is an apocalyptic number.

51864083 is a deficient number, since it is larger than the sum of its proper divisors (1).

51864083 is an equidigital number, since it uses as much as digits as its factorization.

51864083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 51864083 is about 7201.6722363629. The cubic root of 51864083 is about 372.9256321153.

The spelling of 51864083 in words is "fifty-one million, eight hundred sixty-four thousand, eighty-three".