5656905 has 16 divisors (see below), whose sum is σ = 10056960. Its totient is φ = 3016944.

The previous prime is 5656837. The next prime is 5656921. The reversal of 5656905 is 5096565.

5656905 is a `hidden beast` number, since 565 + 6 + 90 + 5 = 666.

It is not a de Polignac number, because 5656905 - 2⁸ = 5656649 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5656905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20817 + ... + 21086.

It is an arithmetic number, because the mean of its divisors is an integer number (628560).

Almost surely, 2^5656905 is an apocalyptic number.

It is an amenable number.

5656905 is a deficient number, since it is larger than the sum of its proper divisors (4400055).

5656905 is a wasteful number, since it uses less digits than its factorization.

5656905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41917 (or 41911 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 5656905 is about 2378.4248989615. The cubic root of 5656905 is about 178.1802764734.

It can be divided in two parts, 5656 and 905, that added together give a 8-th power (6561 = 3⁸).

The spelling of 5656905 in words is "five million, six hundred fifty-six thousand, nine hundred five".