5621065552 has 20 divisors (see below), whose sum is σ = 10929580596. Its totient is φ = 2800528640.

The previous prime is 5621065547. The next prime is 5621065553. The reversal of 5621065552 is 2555601265.

It can be written as a sum of positive squares in 2 ways, for example, as 4384558656 + 1236506896 = 66216^2 + 35164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621065553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620623 + ... + 629614.

Almost surely, 2^5621065552 is an apocalyptic number.

It is an amenable number.

5621065552 is a deficient number, since it is larger than the sum of its proper divisors (5308515044).

5621065552 is a wasteful number, since it uses less digits than its factorization.

5621065552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250526 (or 1250520 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 5621065552 is about 74973.7657584305. The cubic root of 5621065552 is about 1778.0319062940.

The spelling of 5621065552 in words is "five billion, six hundred twenty-one million, sixty-five thousand, five hundred fifty-two".