5655947 has 4 divisors (see below), whose sum is σ = 6170136. Its totient is φ = 5141760.

The previous prime is 5655943. The next prime is 5655961. The reversal of 5655947 is 7495565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5655947 - 2² = 5655943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5655941) 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, 257078 + ... + 257099.

It is an arithmetic number, because the mean of its divisors is an integer number (1542534).

Almost surely, 2^5655947 is an apocalyptic number.

5655947 is a deficient number, since it is larger than the sum of its proper divisors (514189).

5655947 is a wasteful number, since it uses less digits than its factorization.

5655947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514188.

The product of its digits is 189000, while the sum is 41.

The square root of 5655947 is about 2378.2234966462. The cubic root of 5655947 is about 178.1702175960.

The spelling of 5655947 in words is "five million, six hundred fifty-five thousand, nine hundred forty-seven".