49445886 has 32 divisors (see below), whose sum is σ = 113667840. Its totient is φ = 14046336.

The previous prime is 49445881. The next prime is 49445897. The reversal of 49445886 is 68854494.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49445881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4230 + ... + 10806.

It is an arithmetic number, because the mean of its divisors is an integer number (3552120).

Almost surely, 2^49445886 is an apocalyptic number.

49445886 is the 3759-th nonagonal number.

49445886 is an abundant number, since it is smaller than the sum of its proper divisors (64221954).

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

49445886 is a wasteful number, since it uses less digits than its factorization.

49445886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768.

The product of its digits is 1105920, while the sum is 48.

The square root of 49445886 is about 7031.7768735932. The cubic root of 49445886 is about 367.0371757118.

The spelling of 49445886 in words is "forty-nine million, four hundred forty-five thousand, eight hundred eighty-six".