49549986 has 24 divisors (see below), whose sum is σ = 113009520. Its totient is φ = 15647256.

The previous prime is 49549979. The next prime is 49549987. The reversal of 49549986 is 68994594.

49549986 is a `hidden beast` number, since 4 + 9 + 549 + 98 + 6 = 666.

It is a super-2 number, since 2×49549986² = 4910402225200392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49549987) 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 in 11 ways as a sum of consecutive naturals, for example, 72100 + ... + 72783.

It is an arithmetic number, because the mean of its divisors is an integer number (4708730).

Almost surely, 2^49549986 is an apocalyptic number.

49549986 is an abundant number, since it is smaller than the sum of its proper divisors (63459534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49549986 is a wasteful number, since it uses less digits than its factorization.

49549986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144910 (or 144907 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 49549986 is about 7039.1750937166. The cubic root of 49549986 is about 367.2945735157.

The spelling of 49549986 in words is "forty-nine million, five hundred forty-nine thousand, nine hundred eighty-six".