49549999 has 2 divisors, whose sum is σ = 49550000. Its totient is φ = 49549998.

The previous prime is 49549987. The next prime is 49550003. The reversal of 49549999 is 99994594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49549999 - 2¹⁵ = 49517231 is a prime.

It is a Chen prime.

49549999 is a modest number, since divided by 9999 gives 4954 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49549909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24774999 + 24775000.

It is an arithmetic number, because the mean of its divisors is an integer number (24775000).

Almost surely, 2^49549999 is an apocalyptic number.

49549999 is a deficient number, since it is larger than the sum of its proper divisors (1).

49549999 is an equidigital number, since it uses as much as digits as its factorization.

49549999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4723920, while the sum is 58.

The square root of 49549999 is about 7039.1760171202. The cubic root of 49549999 is about 367.2946056370.

The spelling of 49549999 in words is "forty-nine million, five hundred forty-nine thousand, nine hundred ninety-nine".