5656396900 has 432 divisors, whose sum is σ = 17228897280. Its totient is φ = 1558656000.

The previous prime is 5656396891. The next prime is 5656396913. The reversal of 5656396900 is 96936565.

It is a happy number.

It is a super-2 number, since 2×5656396900² = 63989651780659220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 137960880 + ... + 137960920.

Almost surely, 2^5656396900 is an apocalyptic number.

5656396900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5656396900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8614448640).

5656396900 is an abundant number, since it is smaller than the sum of its proper divisors (11572500380).

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

5656396900 is a wasteful number, since it uses less digits than its factorization.

5656396900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 49.

The square root of 5656396900 is about 75209.0214003613. The cubic root of 5656396900 is about 1781.7494162988.

The spelling of 5656396900 in words is "five billion, six hundred fifty-six million, three hundred ninety-six thousand, nine hundred".