49889170 has 8 divisors (see below), whose sum is σ = 89800524. Its totient is φ = 19955664.

The previous prime is 49889141. The next prime is 49889171. The reversal of 49889170 is 7198894.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47789569 + 2099601 = 6913^2 + 1449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 49889170.

It is not an unprimeable number, because it can be changed into a prime (49889171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2494449 + ... + 2494468.

Almost surely, 2^49889170 is an apocalyptic number.

49889170 is a deficient number, since it is larger than the sum of its proper divisors (39911354).

49889170 is a wasteful number, since it uses less digits than its factorization.

49889170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988924.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 49889170 is about 7063.2265997913. The cubic root of 49889170 is about 368.1307476886.

The spelling of 49889170 in words is "forty-nine million, eight hundred eighty-nine thousand, one hundred seventy".