5656787 has 8 divisors (see below), whose sum is σ = 5870592. Its totient is φ = 5445000.

The previous prime is 5656759. The next prime is 5656789. The reversal of 5656787 is 7876565.

5656787 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5656787 - 2⁶ = 5656723 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5656789) 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 7 ways as a sum of consecutive naturals, for example, 7418 + ... + 8144.

It is an arithmetic number, because the mean of its divisors is an integer number (733824).

Almost surely, 2^5656787 is an apocalyptic number.

5656787 is a deficient number, since it is larger than the sum of its proper divisors (213805).

5656787 is a wasteful number, since it uses less digits than its factorization.

5656787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009.

The product of its digits is 352800, while the sum is 44.

The square root of 5656787 is about 2378.4000924992. The cubic root of 5656787 is about 178.1790375498.

The spelling of 5656787 in words is "five million, six hundred fifty-six thousand, seven hundred eighty-seven".