49420899 has 48 divisors (see below), whose sum is σ = 80870400. Its totient is φ = 28828800.

The previous prime is 49420897. The next prime is 49420909. The reversal of 49420899 is 99802494.

49420899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 7030²-1.

It is not a de Polignac number, because 49420899 - 2¹ = 49420897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49420897) 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 in 47 ways as a sum of consecutive naturals, for example, 555247 + ... + 555335.

It is an arithmetic number, because the mean of its divisors is an integer number (1684800).

Almost surely, 2^49420899 is an apocalyptic number.

49420899 is a deficient number, since it is larger than the sum of its proper divisors (31449501).

49420899 is a wasteful number, since it uses less digits than its factorization.

49420899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 49420899 is about 7029.9999288762. Note that the first 4 decimals coincide. The cubic root of 49420899 is about 366.9753390661.

The spelling of 49420899 in words is "forty-nine million, four hundred twenty thousand, eight hundred ninety-nine".