51799807 has 2 divisors, whose sum is σ = 51799808. Its totient is φ = 51799806.

The previous prime is 51799793. The next prime is 51799823. The reversal of 51799807 is 70899715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51799807 - 2⁷ = 51799679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51799897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25899903 + 25899904.

It is an arithmetic number, because the mean of its divisors is an integer number (25899904).

Almost surely, 2^51799807 is an apocalyptic number.

51799807 is a deficient number, since it is larger than the sum of its proper divisors (1).

51799807 is an equidigital number, since it uses as much as digits as its factorization.

51799807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 51799807 is about 7197.2082782145. The cubic root of 51799807 is about 372.7715108328.

The spelling of 51799807 in words is "fifty-one million, seven hundred ninety-nine thousand, eight hundred seven".