5555555061 has 8 divisors (see below), whose sum is σ = 8465607744. Its totient is φ = 3174602880.

The previous prime is 5555555059. The next prime is 5555555077. The reversal of 5555555061 is 1605555555.

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

It is not a de Polignac number, because 5555555061 - 2¹ = 5555555059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555555051) 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, 132275100 + ... + 132275141.

It is an arithmetic number, because the mean of its divisors is an integer number (1058200968).

Almost surely, 2^5555555061 is an apocalyptic number.

It is an amenable number.

5555555061 is a deficient number, since it is larger than the sum of its proper divisors (2910052683).

5555555061 is a wasteful number, since it uses less digits than its factorization.

5555555061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264550251.

The product of its (nonzero) digits is 468750, while the sum is 42.

The square root of 5555555061 is about 74535.5959324134. The cubic root of 5555555061 is about 1771.0975627500.

The spelling of 5555555061 in words is "five billion, five hundred fifty-five million, five hundred fifty-five thousand, sixty-one".