55555500550006 has 8 divisors (see below), whose sum is σ = 83337568444224. Its totient is φ = 27776311068600.

The previous prime is 55555500550003. The next prime is 55555500550009. The reversal of 55555500550006 is 60005500555555.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55555500550003) and next prime (55555500550009).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555500550003) 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, 719554950 + ... + 719632153.

It is an arithmetic number, because the mean of its divisors is an integer number (10417196055528).

Almost surely, 2^{55555500550006} is an apocalyptic number.

55555500550006 is a deficient number, since it is larger than the sum of its proper divisors (27782067894218).

55555500550006 is a wasteful number, since it uses less digits than its factorization.

55555500550006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439206406.

The product of its (nonzero) digits is 2343750, while the sum is 46.

The spelling of 55555500550006 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred million, five hundred fifty thousand, six".