49609161 has 12 divisors (see below), whose sum is σ = 81894592. Its totient is φ = 28348056.

The previous prime is 49609141. The next prime is 49609163. The reversal of 49609161 is 16190694.

49609161 is a `hidden beast` number, since 49 + 609 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 49609161 - 2⁶ = 49609097 is a prime.

It is a super-2 number, since 2×49609161² = 4922137710247842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49609163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393661 + ... + 393786.

Almost surely, 2^49609161 is an apocalyptic number.

It is an amenable number.

49609161 is a deficient number, since it is larger than the sum of its proper divisors (32285431).

49609161 is a wasteful number, since it uses less digits than its factorization.

49609161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787460 (or 787457 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 49609161 is about 7043.3771019306. The cubic root of 49609161 is about 367.4407290223.

It can be divided in two parts, 49609 and 161, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 49609161 in words is "forty-nine million, six hundred nine thousand, one hundred sixty-one".