49689590 has 32 divisors (see below), whose sum is σ = 93415680. Its totient is φ = 19008000.

The previous prime is 49689583. The next prime is 49689599. The reversal of 49689590 is 9598694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49689599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26690 + ... + 28490.

It is an arithmetic number, because the mean of its divisors is an integer number (2919240).

Almost surely, 2^49689590 is an apocalyptic number.

49689590 is a deficient number, since it is larger than the sum of its proper divisors (43726090).

49689590 is a wasteful number, since it uses less digits than its factorization.

49689590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 49689590 is about 7049.0843376995. The cubic root of 49689590 is about 367.6391932661.

The spelling of 49689590 in words is "forty-nine million, six hundred eighty-nine thousand, five hundred ninety".