49382161 has 8 divisors (see below), whose sum is σ = 53700840. Its totient is φ = 45220608.

The previous prime is 49382141. The next prime is 49382231. The reversal of 49382161 is 16128394.

It can be written as a sum of positive squares in 4 ways, for example, as 36529936 + 12852225 = 6044^2 + 3585^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 49382161 - 2⁵ = 49382129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49382111) 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 7 ways as a sum of consecutive naturals, for example, 38626 + ... + 39883.

It is an arithmetic number, because the mean of its divisors is an integer number (6712605).

Almost surely, 2^49382161 is an apocalyptic number.

It is an amenable number.

49382161 is a deficient number, since it is larger than the sum of its proper divisors (4318679).

49382161 is a wasteful number, since it uses less digits than its factorization.

49382161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78563.

The product of its digits is 10368, while the sum is 34.

The square root of 49382161 is about 7027.2441966962. The cubic root of 49382161 is about 366.8794308781.

The spelling of 49382161 in words is "forty-nine million, three hundred eighty-two thousand, one hundred sixty-one".