49437161 has 4 divisors (see below), whose sum is σ = 49874772. Its totient is φ = 48999552.

The previous prime is 49437151. The next prime is 49437191. The reversal of 49437161 is 16173494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26214400 + 23222761 = 5120^2 + 4819^2 .

It is a cyclic number.

It is not a de Polignac number, because 49437161 - 2¹⁰ = 49436137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49437151) 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, 218636 + ... + 218861.

It is an arithmetic number, because the mean of its divisors is an integer number (12468693).

Almost surely, 2^49437161 is an apocalyptic number.

It is an amenable number.

49437161 is a deficient number, since it is larger than the sum of its proper divisors (437611).

49437161 is a wasteful number, since it uses less digits than its factorization.

49437161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437610.

The product of its digits is 18144, while the sum is 35.

The square root of 49437161 is about 7031.1564482665. The cubic root of 49437161 is about 367.0155858621.

The spelling of 49437161 in words is "forty-nine million, four hundred thirty-seven thousand, one hundred sixty-one".