5656331533 has 4 divisors (see below), whose sum is σ = 5680607868. Its totient is φ = 5632055200.

The previous prime is 5656331519. The next prime is 5656331539. The reversal of 5656331533 is 3351336565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1404900324 + 4251431209 = 37482^2 + 65203^2 .

It is a cyclic number.

It is not a de Polignac number, because 5656331533 - 2¹³ = 5656323341 is a prime.

It is a super-2 number, since 2×5656331533² = 63988172822420260178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656331539) 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 3 ways as a sum of consecutive naturals, for example, 12137818 + ... + 12138283.

It is an arithmetic number, because the mean of its divisors is an integer number (1420151967).

Almost surely, 2^5656331533 is an apocalyptic number.

It is an amenable number.

5656331533 is a deficient number, since it is larger than the sum of its proper divisors (24276335).

5656331533 is a wasteful number, since it uses less digits than its factorization.

5656331533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24276334.

The product of its digits is 364500, while the sum is 40.

The square root of 5656331533 is about 75208.5868302284. The cubic root of 5656331533 is about 1781.7425527975.

The spelling of 5656331533 in words is "five billion, six hundred fifty-six million, three hundred thirty-one thousand, five hundred thirty-three".