49858668 has 18 divisors (see below), whose sum is σ = 126031724. Its totient is φ = 16619544.

The previous prime is 49858661. The next prime is 49858691. The reversal of 49858668 is 86685894.

It is a happy number.

49858668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (49858661) 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 5 ways as a sum of consecutive naturals, for example, 692446 + ... + 692517.

Almost surely, 2^49858668 is an apocalyptic number.

It is an amenable number.

49858668 is an abundant number, since it is smaller than the sum of its proper divisors (76173056).

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

49858668 is a wasteful number, since it uses less digits than its factorization.

49858668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384973 (or 1384968 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 49858668 is about 7061.0670581719. The cubic root of 49858668 is about 368.0557079339.

The spelling of 49858668 in words is "forty-nine million, eight hundred fifty-eight thousand, six hundred sixty-eight".