49427169 has 12 divisors (see below), whose sum is σ = 72439248. Its totient is φ = 29955640.

The previous prime is 49427137. The next prime is 49427197. The reversal of 49427169 is 96172494.

49427169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49427169 - 2⁵ = 49427137 is a prime.

It is a super-2 number, since 2×49427169² = 4886090070709122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49427169.

It is not an unprimeable number, because it can be changed into a prime (49427869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67719 + ... + 68444.

It is an arithmetic number, because the mean of its divisors is an integer number (6036604).

Almost surely, 2^49427169 is an apocalyptic number.

It is an amenable number.

49427169 is a deficient number, since it is larger than the sum of its proper divisors (23012079).

49427169 is a wasteful number, since it uses less digits than its factorization.

49427169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136188 (or 136177 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 49427169 is about 7030.4458606834. The cubic root of 49427169 is about 366.9908577240.

The spelling of 49427169 in words is "forty-nine million, four hundred twenty-seven thousand, one hundred sixty-nine".