5665572900 has 243 divisors, whose sum is σ = 19329686649. Its totient is φ = 1387376640.

The previous prime is 5665572889. The next prime is 5665572901. The reversal of 5665572900 is 92755665.

The square root of 5665572900 is 75270.

It is a perfect power (a square), and thus also a powerful number.

5665572900 is a `hidden beast` number, since 5 + 6 + 6 + 557 + 2 + 90 + 0 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 5663766564 + 1806336 = 75258^2 + 1344^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5665572901) by changing a digit.

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 80 ways as a sum of consecutive naturals, for example, 29355204 + ... + 29355396.

Almost surely, 2^5665572900 is an apocalyptic number.

5665572900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5665572900 is the 75270-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5665572900

5665572900 is an abundant number, since it is smaller than the sum of its proper divisors (13664113749).

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

5665572900 is a wasteful number, since it uses less digits than its factorization.

5665572900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The cubic root of 5665572900 is about 1782.7123673362.

The spelling of 5665572900 in words is "five billion, six hundred sixty-five million, five hundred seventy-two thousand, nine hundred".