5655988 has 12 divisors (see below), whose sum is σ = 10659460. Its totient is φ = 2610432.

The previous prime is 5655961. The next prime is 5655997. The reversal of 5655988 is 8895565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1567504 + 4088484 = 1252^2 + 2022^2 .

It is a super-2 number, since 2×5655988² = 63980400512288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54333 + ... + 54436.

Almost surely, 2^5655988 is an apocalyptic number.

It is an amenable number.

5655988 is a deficient number, since it is larger than the sum of its proper divisors (5003472).

5655988 is a wasteful number, since it uses less digits than its factorization.

5655988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108786 (or 108784 counting only the distinct ones).

The product of its digits is 432000, while the sum is 46.

The square root of 5655988 is about 2378.2321165101. The cubic root of 5655988 is about 178.1706481140.

The spelling of 5655988 in words is "five million, six hundred fifty-five thousand, nine hundred eighty-eight".