5655761 has 4 divisors (see below), whose sum is σ = 5670912. Its totient is φ = 5640612.

The previous prime is 5655757. The next prime is 5655791. The reversal of 5655761 is 1675565.

5655761 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1675565 = 5 ⋅335113.

It is a cyclic number.

It is not a de Polignac number, because 5655761 - 2² = 5655757 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 (5655721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7001 + ... + 7766.

It is an arithmetic number, because the mean of its divisors is an integer number (1417728).

Almost surely, 2^5655761 is an apocalyptic number.

It is an amenable number.

5655761 is a deficient number, since it is larger than the sum of its proper divisors (15151).

5655761 is a wasteful number, since it uses less digits than its factorization.

5655761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15150.

The product of its digits is 31500, while the sum is 35.

The square root of 5655761 is about 2378.1843915054. The cubic root of 5655761 is about 178.1682644881.

The spelling of 5655761 in words is "five million, six hundred fifty-five thousand, seven hundred sixty-one".