5361561220 has 24 divisors (see below), whose sum is σ = 11563584984. Its totient is φ = 2086661376.

The previous prime is 5361561187. The next prime is 5361561263. The reversal of 5361561220 is 221651635.

It can be written as a sum of positive squares in 4 ways, for example, as 321413184 + 5040148036 = 17928^2 + 70994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3621937 + ... + 3623416.

It is an arithmetic number, because the mean of its divisors is an integer number (481816041).

Almost surely, 2^5361561220 is an apocalyptic number.

It is an amenable number.

5361561220 is an abundant number, since it is smaller than the sum of its proper divisors (6202023764).

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

5361561220 is a wasteful number, since it uses less digits than its factorization.

5361561220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245399 (or 7245397 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5361561220 is about 73222.6824146726. The cubic root of 5361561220 is about 1750.2379235697.

The spelling of 5361561220 in words is "five billion, three hundred sixty-one million, five hundred sixty-one thousand, two hundred twenty".