49984897 has 2 divisors, whose sum is σ = 49984898. Its totient is φ = 49984896.

The previous prime is 49984873. The next prime is 49984903. The reversal of 49984897 is 79848994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39992976 + 9991921 = 6324^2 + 3161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49984897 is a prime.

It is not a weakly prime, because it can be changed into another prime (49984807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24992448 + 24992449.

It is an arithmetic number, because the mean of its divisors is an integer number (24992449).

Almost surely, 2^49984897 is an apocalyptic number.

It is an amenable number.

49984897 is a deficient number, since it is larger than the sum of its proper divisors (1).

49984897 is an equidigital number, since it uses as much as digits as its factorization.

49984897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 58.

The square root of 49984897 is about 7069.9997878359. Note that the first 3 decimals coincide. The cubic root of 49984897 is about 368.3660528435.

The spelling of 49984897 in words is "forty-nine million, nine hundred eighty-four thousand, eight hundred ninety-seven".