49908997 has 2 divisors, whose sum is σ = 49908998. Its totient is φ = 49908996.

The previous prime is 49908949. The next prime is 49909003. The reversal of 49908997 is 79980994.

49908997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45239076 + 4669921 = 6726^2 + 2161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49908997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49908907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24954498 + 24954499.

It is an arithmetic number, because the mean of its divisors is an integer number (24954499).

Almost surely, 2^49908997 is an apocalyptic number.

It is an amenable number.

49908997 is a deficient number, since it is larger than the sum of its proper divisors (1).

49908997 is an equidigital number, since it uses as much as digits as its factorization.

49908997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 49908997 is about 7064.6299973884. The cubic root of 49908997 is about 368.1795088501.

It can be divided in two parts, 49908 and 997, that added together give a palindrome (50905).

The spelling of 49908997 in words is "forty-nine million, nine hundred eight thousand, nine hundred ninety-seven".