3550047161 has 4 divisors (see below), whose sum is σ = 3575960052. Its totient is φ = 3524134272.

The previous prime is 3550047157. The next prime is 3550047173. The reversal of 3550047161 is 1617400553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1617400553 = 17 ⋅95141209.

It can be written as a sum of positive squares in 2 ways, for example, as 2870923561 + 679123600 = 53581^2 + 26060^2 .

It is a cyclic number.

It is not a de Polignac number, because 3550047161 - 2² = 3550047157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3550047101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12956240 + ... + 12956513.

It is an arithmetic number, because the mean of its divisors is an integer number (893990013).

Almost surely, 2^3550047161 is an apocalyptic number.

It is an amenable number.

3550047161 is a deficient number, since it is larger than the sum of its proper divisors (25912891).

3550047161 is a wasteful number, since it uses less digits than its factorization.

3550047161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25912890.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 3550047161 is about 59582.2722040709. The cubic root of 3550047161 is about 1525.4970571425.

The spelling of 3550047161 in words is "three billion, five hundred fifty million, forty-seven thousand, one hundred sixty-one".