5561029056 has 224 divisors, whose sum is σ = 16854220800. Its totient is φ = 1601797120.

The previous prime is 5561029043. The next prime is 5561029087. The reversal of 5561029056 is 6509201655.

It is a super-2 number, since 2×5561029056² = 61850088323352502272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11609425 + ... + 11609903.

Almost surely, 2^5561029056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5561029056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8427110400).

5561029056 is an abundant number, since it is smaller than the sum of its proper divisors (11293191744).

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

5561029056 is a wasteful number, since it uses less digits than its factorization.

5561029056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 5561029056 is about 74572.3075678901. The cubic root of 5561029056 is about 1771.6790706055.

It can be divided in two parts, 55610 and 29056, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 5561029056 in words is "five billion, five hundred sixty-one million, twenty-nine thousand, fifty-six".