5561010556 has 24 divisors (see below), whose sum is σ = 10308589200. Its totient is φ = 2615837952.

The previous prime is 5561010551. The next prime is 5561010583. The reversal of 5561010556 is 6550101655.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561010551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157291 + ... + 189373.

It is an arithmetic number, because the mean of its divisors is an integer number (429524550).

Almost surely, 2^5561010556 is an apocalyptic number.

It is an amenable number.

5561010556 is a deficient number, since it is larger than the sum of its proper divisors (4747578644).

5561010556 is a wasteful number, since it uses less digits than its factorization.

5561010556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34653 (or 34651 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 5561010556 is about 74572.1835271035. The cubic root of 5561010556 is about 1771.6771059751.

It can be divided in two parts, 55610 and 10556, that added together give a palindrome (66166).

The spelling of 5561010556 in words is "five billion, five hundred sixty-one million, ten thousand, five hundred fifty-six".