5561610000 has 200 divisors, whose sum is σ = 18164060640. Its totient is φ = 1465728000.

The previous prime is 5561609983. The next prime is 5561610029. The reversal of 5561610000 is 161655.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2668959 + ... + 2671041.

Almost surely, 2^5561610000 is an apocalyptic number.

5561610000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5561610000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9082030320).

5561610000 is an abundant number, since it is smaller than the sum of its proper divisors (12602450640).

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

5561610000 is a wasteful number, since it uses less digits than its factorization.

5561610000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2182 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 5561610000 is about 74576.2026386434. The cubic root of 5561610000 is about 1771.7407624540.

Adding to 5561610000 its reverse (161655), we get a palindrome (5561771655).

The spelling of 5561610000 in words is "five billion, five hundred sixty-one million, six hundred ten thousand".