49947165 has 16 divisors (see below), whose sum is σ = 88795200. Its totient is φ = 26638416.

The previous prime is 49947137. The next prime is 49947203. The reversal of 49947165 is 56174994.

49947165 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 49947165 - 2⁶ = 49947101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49947165.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 184855 + ... + 185124.

It is an arithmetic number, because the mean of its divisors is an integer number (5549700).

Almost surely, 2^49947165 is an apocalyptic number.

49947165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49947165 is a deficient number, since it is larger than the sum of its proper divisors (38848035).

49947165 is a wasteful number, since it uses less digits than its factorization.

49947165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369993 (or 369987 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 49947165 is about 7067.3308257078. The cubic root of 49947165 is about 368.2733402605.

The spelling of 49947165 in words is "forty-nine million, nine hundred forty-seven thousand, one hundred sixty-five".