55555555006 has 16 divisors (see below), whose sum is σ = 95274549216. Its totient is φ = 23800409856.

The previous prime is 55555554961. The next prime is 55555555009. The reversal of 55555555006 is 60055555555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555555009) 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, 721531 + ... + 794806.

It is an arithmetic number, because the mean of its divisors is an integer number (5954659326).

Almost surely, 2^55555555006 is an apocalyptic number.

55555555006 is a deficient number, since it is larger than the sum of its proper divisors (39718994210).

55555555006 is a wasteful number, since it uses less digits than its factorization.

55555555006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518963.

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

The spelling of 55555555006 in words is "fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, six".