51495599 has 2 divisors, whose sum is σ = 51495600. Its totient is φ = 51495598.

The previous prime is 51495593. The next prime is 51495611. The reversal of 51495599 is 99559415.

51495599 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 a de Polignac number, because none of the positive numbers 2^k-51495599 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51495593) 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, 25747799 + 25747800.

It is an arithmetic number, because the mean of its divisors is an integer number (25747800).

Almost surely, 2^51495599 is an apocalyptic number.

51495599 is a deficient number, since it is larger than the sum of its proper divisors (1).

51495599 is an equidigital number, since it uses as much as digits as its factorization.

51495599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 364500, while the sum is 47.

The square root of 51495599 is about 7176.0434084529. The cubic root of 51495599 is about 372.0403447013.

The spelling of 51495599 in words is "fifty-one million, four hundred ninety-five thousand, five hundred ninety-nine".