49549989 has 8 divisors (see below), whose sum is σ = 66318912. Its totient is φ = 32907200.

The previous prime is 49549987. The next prime is 49549999. The reversal of 49549989 is 98994594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49549989 - 2¹ = 49549987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49549987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30612 + ... + 32189.

It is an arithmetic number, because the mean of its divisors is an integer number (8289864).

Almost surely, 2^49549989 is an apocalyptic number.

It is an amenable number.

49549989 is a deficient number, since it is larger than the sum of its proper divisors (16768923).

49549989 is a wasteful number, since it uses less digits than its factorization.

49549989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63067.

The product of its digits is 4199040, while the sum is 57.

The square root of 49549989 is about 7039.1753068097. The cubic root of 49549989 is about 367.2945809283.

The spelling of 49549989 in words is "forty-nine million, five hundred forty-nine thousand, nine hundred eighty-nine".