49983971 has 2 divisors, whose sum is σ = 49983972. Its totient is φ = 49983970.

The previous prime is 49983959. The next prime is 49984007. The reversal of 49983971 is 17938994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49983971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49983371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24991985 + 24991986.

It is an arithmetic number, because the mean of its divisors is an integer number (24991986).

Almost surely, 2^49983971 is an apocalyptic number.

49983971 is a deficient number, since it is larger than the sum of its proper divisors (1).

49983971 is an equidigital number, since it uses as much as digits as its factorization.

49983971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 50.

The square root of 49983971 is about 7069.9342995533. The cubic root of 49983971 is about 368.3637780959.

The spelling of 49983971 in words is "forty-nine million, nine hundred eighty-three thousand, nine hundred seventy-one".