5656788 has 18 divisors (see below), whose sum is σ = 14299194. Its totient is φ = 1885584.

The previous prime is 5656759. The next prime is 5656789. The reversal of 5656788 is 8876565.

5656788 is a `hidden beast` number, since 5 + 6 + 567 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3617604 + 2039184 = 1902^2 + 1428^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78531 + ... + 78602.

Almost surely, 2^5656788 is an apocalyptic number.

It is an amenable number.

5656788 is an abundant number, since it is smaller than the sum of its proper divisors (8642406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5656788 is a wasteful number, since it uses less digits than its factorization.

5656788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157143 (or 157138 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 5656788 is about 2378.4003027245. The cubic root of 5656788 is about 178.1790480493.

The spelling of 5656788 in words is "five million, six hundred fifty-six thousand, seven hundred eighty-eight".