49889135 has 32 divisors (see below), whose sum is σ = 67469760. Its totient is φ = 35223552.

The previous prime is 49889131. The next prime is 49889141. The reversal of 49889135 is 53198894.

It is a cyclic number.

It is not a de Polignac number, because 49889135 - 2² = 49889131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49889135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49889131) 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 31 ways as a sum of consecutive naturals, for example, 90932 + ... + 91478.

It is an arithmetic number, because the mean of its divisors is an integer number (2108430).

Almost surely, 2^49889135 is an apocalyptic number.

49889135 is a deficient number, since it is larger than the sum of its proper divisors (17580625).

49889135 is a wasteful number, since it uses less digits than its factorization.

49889135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its digits is 311040, while the sum is 47.

The square root of 49889135 is about 7063.2241221697. The cubic root of 49889135 is about 368.1306616006.

The spelling of 49889135 in words is "forty-nine million, eight hundred eighty-nine thousand, one hundred thirty-five".