5520002561 has 16 divisors (see below), whose sum is σ = 5974456320. Its totient is φ = 5080166400.

The previous prime is 5520002483. The next prime is 5520002581. The reversal of 5520002561 is 1652000255.

It is a cyclic number.

It is not a de Polignac number, because 5520002561 - 2²² = 5515808257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5520002561.

It is not an unprimeable number, because it can be changed into a prime (5520002581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147361 + ... + 1152161.

It is an arithmetic number, because the mean of its divisors is an integer number (373403520).

Almost surely, 2^5520002561 is an apocalyptic number.

It is an amenable number.

5520002561 is a deficient number, since it is larger than the sum of its proper divisors (454453759).

5520002561 is a wasteful number, since it uses less digits than its factorization.

5520002561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5520002561 is about 74296.7197189755. The cubic root of 5520002561 is about 1767.3114577949.

The spelling of 5520002561 in words is "five billion, five hundred twenty million, two thousand, five hundred sixty-one".