5555000056061 has 4 divisors (see below), whose sum is σ = 5567155417692. Its totient is φ = 5542844694432.

The previous prime is 5555000056051. The next prime is 5555000056091. The reversal of 5555000056061 is 1606500005555.

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 4560761732836 + 994238323225 = 2135594^2 + 997115^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555000056061 - 2²² = 5554995861757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555000056051) 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, 6077680130 + ... + 6077681043.

It is an arithmetic number, because the mean of its divisors is an integer number (1391788854423).

Almost surely, 2^{5555000056061} is an apocalyptic number.

It is an amenable number.

5555000056061 is a deficient number, since it is larger than the sum of its proper divisors (12155361631).

5555000056061 is a wasteful number, since it uses less digits than its factorization.

5555000056061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12155361630.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 5555000056061 in words is "five trillion, five hundred fifty-five billion, fifty-six thousand, sixty-one".