49893979 has 2 divisors, whose sum is σ = 49893980. Its totient is φ = 49893978.

The previous prime is 49893971. The next prime is 49894001. The reversal of 49893979 is 97939894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49893979 - 2³ = 49893971 is a prime.

It is not a weakly prime, because it can be changed into another prime (49893971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24946989 + 24946990.

It is an arithmetic number, because the mean of its divisors is an integer number (24946990).

Almost surely, 2^49893979 is an apocalyptic number.

49893979 is a deficient number, since it is larger than the sum of its proper divisors (1).

49893979 is an equidigital number, since it uses as much as digits as its factorization.

49893979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 58.

The square root of 49893979 is about 7063.5670167416. The cubic root of 49893979 is about 368.1425757993.

The spelling of 49893979 in words is "forty-nine million, eight hundred ninety-three thousand, nine hundred seventy-nine".