49980161 has 8 divisors (see below), whose sum is σ = 62313024. Its totient is φ = 38945520.

The previous prime is 49980157. The next prime is 49980163. The reversal of 49980161 is 16108994.

It is a happy number.

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 49980161 - 2² = 49980157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49980163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324470 + ... + 324623.

It is an arithmetic number, because the mean of its divisors is an integer number (7789128).

Almost surely, 2^49980161 is an apocalyptic number.

It is an amenable number.

49980161 is a deficient number, since it is larger than the sum of its proper divisors (12332863).

49980161 is a wasteful number, since it uses less digits than its factorization.

49980161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649111.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 49980161 is about 7069.6648435410. The cubic root of 49980161 is about 368.3544184176.

The spelling of 49980161 in words is "forty-nine million, nine hundred eighty thousand, one hundred sixty-one".