55000160561 has 8 divisors (see below), whose sum is σ = 56265096360. Its totient is φ = 53749049472.

The previous prime is 55000160497. The next prime is 55000160563. The reversal of 55000160561 is 16506100055.

55000160561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12093180961 + 42906979600 = 109969^2 + 207140^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55000160561 - 2⁶ = 55000160497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55000160563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3448130 + ... + 3464043.

It is an arithmetic number, because the mean of its divisors is an integer number (7033137045).

Almost surely, 2^55000160561 is an apocalyptic number.

It is an amenable number.

55000160561 is a deficient number, since it is larger than the sum of its proper divisors (1264935799).

55000160561 is a wasteful number, since it uses less digits than its factorization.

55000160561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912355.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 55000160561 in words is "fifty-five billion, one hundred sixty thousand, five hundred sixty-one".