50899279 has 2 divisors, whose sum is σ = 50899280. Its totient is φ = 50899278.

The previous prime is 50899273. The next prime is 50899283. The reversal of 50899279 is 97299805.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50899279 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 (50899273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25449639 + 25449640.

It is an arithmetic number, because the mean of its divisors is an integer number (25449640).

Almost surely, 2^50899279 is an apocalyptic number.

50899279 is a deficient number, since it is larger than the sum of its proper divisors (1).

50899279 is an equidigital number, since it uses as much as digits as its factorization.

50899279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 50899279 is about 7134.3730628556. The cubic root of 50899279 is about 370.5986874405.

The spelling of 50899279 in words is "fifty million, eight hundred ninety-nine thousand, two hundred seventy-nine".