49554209 has 2 divisors, whose sum is σ = 49554210. Its totient is φ = 49554208.

The previous prime is 49554191. The next prime is 49554217. The reversal of 49554209 is 90245594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48344209 + 1210000 = 6953^2 + 1100^2 .

It is a cyclic number.

It is not a de Polignac number, because 49554209 - 2²⁴ = 32776993 is a prime.

It is not a weakly prime, because it can be changed into another prime (49554289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24777104 + 24777105.

It is an arithmetic number, because the mean of its divisors is an integer number (24777105).

Almost surely, 2^49554209 is an apocalyptic number.

It is an amenable number.

49554209 is a deficient number, since it is larger than the sum of its proper divisors (1).

49554209 is an equidigital number, since it uses as much as digits as its factorization.

49554209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 49554209 is about 7039.4750514509. The cubic root of 49554209 is about 367.3050076990.

The spelling of 49554209 in words is "forty-nine million, five hundred fifty-four thousand, two hundred nine".