51492043 has 2 divisors, whose sum is σ = 51492044. Its totient is φ = 51492042.

The previous prime is 51492037. The next prime is 51492061. The reversal of 51492043 is 34029415.

51492043 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 51492043 - 2⁵ = 51492011 is a prime.

It is not a weakly prime, because it can be changed into another prime (51492143) 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, 25746021 + 25746022.

It is an arithmetic number, because the mean of its divisors is an integer number (25746022).

Almost surely, 2^51492043 is an apocalyptic number.

51492043 is a deficient number, since it is larger than the sum of its proper divisors (1).

51492043 is an equidigital number, since it uses as much as digits as its factorization.

51492043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 51492043 is about 7175.7956353285. The cubic root of 51492043 is about 372.0317808243.

The spelling of 51492043 in words is "fifty-one million, four hundred ninety-two thousand, forty-three".