5655161 has 4 divisors (see below), whose sum is σ = 5661300. Its totient is φ = 5649024.

The previous prime is 5655157. The next prime is 5655163. The reversal of 5655161 is 1615565.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1428025 + 4227136 = 1195^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 5655161 - 2² = 5655157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5655163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (1415325).

Almost surely, 2^5655161 is an apocalyptic number.

5655161 is the 1064-th centered decagonal number.

It is an amenable number.

5655161 is a deficient number, since it is larger than the sum of its proper divisors (6139).

5655161 is a wasteful number, since it uses less digits than its factorization.

5655161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138.

The product of its digits is 4500, while the sum is 29.

The square root of 5655161 is about 2378.0582415071. The cubic root of 5655161 is about 178.1619638483.

The spelling of 5655161 in words is "five million, six hundred fifty-five thousand, one hundred sixty-one".