8055309561 has 16 divisors (see below), whose sum is σ = 11614606080. Its totient is φ = 4936538880.

The previous prime is 8055309547. The next prime is 8055309637. The reversal of 8055309561 is 1659035508.

It is not a de Polignac number, because 8055309561 - 2¹⁷ = 8055178489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8055309511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419121 + ... + 437918.

It is an arithmetic number, because the mean of its divisors is an integer number (725912880).

Almost surely, 2^8055309561 is an apocalyptic number.

It is an amenable number.

8055309561 is a deficient number, since it is larger than the sum of its proper divisors (3559296519).

8055309561 is a wasteful number, since it uses less digits than its factorization.

8055309561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857296.

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 8055309561 is about 89751.3763738473. The cubic root of 8055309561 is about 2004.5985486548.

The spelling of 8055309561 in words is "eight billion, fifty-five million, three hundred nine thousand, five hundred sixty-one".