5555561006 has 4 divisors (see below), whose sum is σ = 8333341512. Its totient is φ = 2777780502.

The previous prime is 5555560981. The next prime is 5555561021. The reversal of 5555561006 is 6001655555.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388890250 + ... + 1388890253.

It is an arithmetic number, because the mean of its divisors is an integer number (2083335378).

Almost surely, 2^5555561006 is an apocalyptic number.

5555561006 is a deficient number, since it is larger than the sum of its proper divisors (2777780506).

5555561006 is a wasteful number, since it uses less digits than its factorization.

5555561006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777780505.

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

The square root of 5555561006 is about 74535.6358126769. The cubic root of 5555561006 is about 1771.0981945003.

The spelling of 5555561006 in words is "five billion, five hundred fifty-five million, five hundred sixty-one thousand, six".