49628169 has 6 divisors (see below), whose sum is σ = 71685146. Its totient is φ = 33085440.

The previous prime is 49628167. The next prime is 49628177. The reversal of 49628169 is 96182694.

It is a happy number.

49628169 is a `hidden beast` number, since 4 + 9 + 628 + 16 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48818169 + 810000 = 6987^2 + 900^2 .

It is not a de Polignac number, because 49628169 - 2¹ = 49628167 is a prime.

It is a super-2 number, since 2×49628169² = 4925910316585122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49628167) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2757112 + ... + 2757129.

Almost surely, 2^49628169 is an apocalyptic number.

It is an amenable number.

49628169 is a deficient number, since it is larger than the sum of its proper divisors (22056977).

49628169 is a wasteful number, since it uses less digits than its factorization.

49628169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514247 (or 5514244 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 49628169 is about 7044.7263254153. The cubic root of 49628169 is about 367.4876519522.

It can be divided in two parts, 4962816 and 9, that added together give a triangular number (4962825 = T₃₁₅₀).

The spelling of 49628169 in words is "forty-nine million, six hundred twenty-eight thousand, one hundred sixty-nine".