99549937 has 2 divisors, whose sum is σ = 99549938. Its totient is φ = 99549936.

The previous prime is 99549929. The next prime is 99549941. The reversal of 99549937 is 73994599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58384881 + 41165056 = 7641^2 + 6416^2 .

It is a cyclic number.

It is not a de Polignac number, because 99549937 - 2³ = 99549929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99549907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49774968 + 49774969.

It is an arithmetic number, because the mean of its divisors is an integer number (49774969).

Almost surely, 2^99549937 is an apocalyptic number.

It is an amenable number.

99549937 is a deficient number, since it is larger than the sum of its proper divisors (1).

99549937 is an equidigital number, since it uses as much as digits as its factorization.

99549937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2755620, while the sum is 55.

The square root of 99549937 is about 9977.4714732742. The cubic root of 99549937 is about 463.4615002931.

It can be divided in two parts, 9954 and 9937, that added together give a palindrome (19891).

The spelling of 99549937 in words is "ninety-nine million, five hundred forty-nine thousand, nine hundred thirty-seven".