5661010500 has 96 divisors (see below), whose sum is σ = 16511214720. Its totient is φ = 1507190400.

The previous prime is 5661010441. The next prime is 5661010517. The reversal of 5661010500 is 50101665.

It is a super-2 number, since 2×5661010500² = 64094079762220500000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1060839 + ... + 1066161.

It is an arithmetic number, because the mean of its divisors is an integer number (171991820).

Almost surely, 2^5661010500 is an apocalyptic number.

5661010500 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 5661010500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8255607360).

5661010500 is an abundant number, since it is smaller than the sum of its proper divisors (10850204220).

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

5661010500 is a wasteful number, since it uses less digits than its factorization.

5661010500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054 (or 6042 counting only the distinct ones).

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

The square root of 5661010500 is about 75239.6870009439. The cubic root of 5661010500 is about 1782.2337084096.

The spelling of 5661010500 in words is "five billion, six hundred sixty-one million, ten thousand, five hundred".