49833990 has 96 divisors (see below), whose sum is σ = 135083520. Its totient is φ = 12737088.

The previous prime is 49833967. The next prime is 49834003. The reversal of 49833990 is 9933894.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 305649 + ... + 305811.

It is an arithmetic number, because the mean of its divisors is an integer number (1407120).

Almost surely, 2^49833990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49833990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67541760).

49833990 is an abundant number, since it is smaller than the sum of its proper divisors (85249530).

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

49833990 is a wasteful number, since it uses less digits than its factorization.

49833990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 49833990 is about 7059.3193722908. The cubic root of 49833990 is about 367.9949737420.

The spelling of 49833990 in words is "forty-nine million, eight hundred thirty-three thousand, nine hundred ninety".