50278451 has 2 divisors, whose sum is σ = 50278452. Its totient is φ = 50278450.

The previous prime is 50278447. The next prime is 50278453. The reversal of 50278451 is 15487205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50278451 - 2² = 50278447 is a prime.

Together with 50278453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50278453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25139225 + 25139226.

It is an arithmetic number, because the mean of its divisors is an integer number (25139226).

Almost surely, 2^50278451 is an apocalyptic number.

50278451 is a deficient number, since it is larger than the sum of its proper divisors (1).

50278451 is an equidigital number, since it uses as much as digits as its factorization.

50278451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 50278451 is about 7090.7299342169. The cubic root of 50278451 is about 369.0857657639.

The spelling of 50278451 in words is "fifty million, two hundred seventy-eight thousand, four hundred fifty-one".