49666806 has 96 divisors (see below), whose sum is σ = 128494080. Its totient is φ = 13571712.

The previous prime is 49666789. The next prime is 49666811. The reversal of 49666806 is 60866694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 482151 + ... + 482253.

It is an arithmetic number, because the mean of its divisors is an integer number (1338480).

Almost surely, 2^49666806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49666806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64247040).

49666806 is an abundant number, since it is smaller than the sum of its proper divisors (78827274).

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

49666806 is a wasteful number, since it uses less digits than its factorization.

49666806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 49666806 is about 7047.4680559758. The cubic root of 49666806 is about 367.5829938894.

The spelling of 49666806 in words is "forty-nine million, six hundred sixty-six thousand, eight hundred six".