49209983 has 2 divisors, whose sum is σ = 49209984. Its totient is φ = 49209982.

The previous prime is 49209977. The next prime is 49209991. The reversal of 49209983 is 38990294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49209983 - 2¹⁰ = 49208959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49209913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24604991 + 24604992.

It is an arithmetic number, because the mean of its divisors is an integer number (24604992).

Almost surely, 2^49209983 is an apocalyptic number.

49209983 is a deficient number, since it is larger than the sum of its proper divisors (1).

49209983 is an equidigital number, since it uses as much as digits as its factorization.

49209983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 49209983 is about 7014.9827512261. The cubic root of 49209983 is about 366.4525417388.

The spelling of 49209983 in words is "forty-nine million, two hundred nine thousand, nine hundred eighty-three".