50872979 has 2 divisors, whose sum is σ = 50872980. Its totient is φ = 50872978.

The previous prime is 50872961. The next prime is 50872981. The reversal of 50872979 is 97927805.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50872979 is a prime.

Together with 50872981, 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 (50872909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25436489 + 25436490.

It is an arithmetic number, because the mean of its divisors is an integer number (25436490).

Almost surely, 2^50872979 is an apocalyptic number.

50872979 is a deficient number, since it is larger than the sum of its proper divisors (1).

50872979 is an equidigital number, since it uses as much as digits as its factorization.

50872979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 50872979 is about 7132.5296354099. The cubic root of 50872979 is about 370.5348461649.

The spelling of 50872979 in words is "fifty million, eight hundred seventy-two thousand, nine hundred seventy-nine".