5656187 has 4 divisors (see below), whose sum is σ = 5699496. Its totient is φ = 5612880.

The previous prime is 5656181. The next prime is 5656193. The reversal of 5656187 is 7816565.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (5656181) and next prime (5656193).

It is a cyclic number.

It is not a de Polignac number, because 5656187 - 2⁴ = 5656171 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5656187.

It is not an unprimeable number, because it can be changed into a prime (5656181) 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, 21458 + ... + 21719.

It is an arithmetic number, because the mean of its divisors is an integer number (1424874).

Almost surely, 2^5656187 is an apocalyptic number.

5656187 is a deficient number, since it is larger than the sum of its proper divisors (43309).

5656187 is a wasteful number, since it uses less digits than its factorization.

5656187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43308.

The product of its digits is 50400, while the sum is 38.

The square root of 5656187 is about 2378.2739539422. The cubic root of 5656187 is about 178.1727376719.

The spelling of 5656187 in words is "five million, six hundred fifty-six thousand, one hundred eighty-seven".