9552361561 has 4 divisors (see below), whose sum is σ = 9732594852. Its totient is φ = 9372128272.

The previous prime is 9552361531. The next prime is 9552361571. The reversal of 9552361561 is 1651632559.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8304859161 + 1247502400 = 91131^2 + 35320^2 .

It is a cyclic number.

It is not a de Polignac number, because 9552361561 - 2⁵ = 9552361529 is a prime.

It is a super-2 number, since 2×9552361561² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9552361531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90116566 + ... + 90116671.

It is an arithmetic number, because the mean of its divisors is an integer number (2433148713).

Almost surely, 2^9552361561 is an apocalyptic number.

It is an amenable number.

9552361561 is a deficient number, since it is larger than the sum of its proper divisors (180233291).

9552361561 is a wasteful number, since it uses less digits than its factorization.

9552361561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180233290.

The product of its digits is 243000, while the sum is 43.

The square root of 9552361561 is about 97736.1834787915. The cubic root of 9552361561 is about 2121.7957936547.

The spelling of 9552361561 in words is "nine billion, five hundred fifty-two million, three hundred sixty-one thousand, five hundred sixty-one".