49900089 has 4 divisors (see below), whose sum is σ = 66533456. Its totient is φ = 33266724.

The previous prime is 49900073. The next prime is 49900141. The reversal of 49900089 is 98000994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49900089 - 2⁴ = 49900073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49900589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8316679 + ... + 8316684.

It is an arithmetic number, because the mean of its divisors is an integer number (16633364).

Almost surely, 2^49900089 is an apocalyptic number.

It is an amenable number.

49900089 is a deficient number, since it is larger than the sum of its proper divisors (16633367).

49900089 is a wasteful number, since it uses less digits than its factorization.

49900089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16633366.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 49900089 is about 7063.9995045300. Note that the first 3 decimals coincide. The cubic root of 49900089 is about 368.1576027249.

The spelling of 49900089 in words is "forty-nine million, nine hundred thousand, eighty-nine".