51948199 has 2 divisors, whose sum is σ = 51948200. Its totient is φ = 51948198.

The previous prime is 51948167. The next prime is 51948229. The reversal of 51948199 is 99184915.

51948199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51948199 - 2⁵ = 51948167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51948119) 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, 25974099 + 25974100.

It is an arithmetic number, because the mean of its divisors is an integer number (25974100).

Almost surely, 2^51948199 is an apocalyptic number.

51948199 is a deficient number, since it is larger than the sum of its proper divisors (1).

51948199 is an equidigital number, since it uses as much as digits as its factorization.

51948199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 46.

The square root of 51948199 is about 7207.5099028721. The cubic root of 51948199 is about 373.1271335993.

The spelling of 51948199 in words is "fifty-one million, nine hundred forty-eight thousand, one hundred ninety-nine".