49558161 has 8 divisors (see below), whose sum is σ = 66291264. Its totient is φ = 32931920.

The previous prime is 49558153. The next prime is 49558189. The reversal of 49558161 is 16185594.

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 49558161 - 2³ = 49558153 is a prime.

It is a super-2 number, since 2×49558161² = 4912022643403842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49558151) 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, 25626 + ... + 27491.

It is an arithmetic number, because the mean of its divisors is an integer number (8286408).

Almost surely, 2^49558161 is an apocalyptic number.

It is an amenable number.

49558161 is a deficient number, since it is larger than the sum of its proper divisors (16733103).

49558161 is a wasteful number, since it uses less digits than its factorization.

49558161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53431.

The product of its digits is 43200, while the sum is 39.

The square root of 49558161 is about 7039.7557486038. The cubic root of 49558161 is about 367.3147717590.

The spelling of 49558161 in words is "forty-nine million, five hundred fifty-eight thousand, one hundred sixty-one".