5654661 has 4 divisors (see below), whose sum is σ = 7539552. Its totient is φ = 3769772.

The previous prime is 5654657. The next prime is 5654689. The reversal of 5654661 is 1664565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5654661 - 2² = 5654657 is a prime.

It is a D-number.

5654661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5654641) 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, 942441 + ... + 942446.

It is an arithmetic number, because the mean of its divisors is an integer number (1884888).

Almost surely, 2^5654661 is an apocalyptic number.

It is an amenable number.

5654661 is a deficient number, since it is larger than the sum of its proper divisors (1884891).

5654661 is a wasteful number, since it uses less digits than its factorization.

5654661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884890.

The product of its digits is 21600, while the sum is 33.

The square root of 5654661 is about 2377.9531113964. The cubic root of 5654661 is about 178.1567129747.

The spelling of 5654661 in words is "five million, six hundred fifty-four thousand, six hundred sixty-one".