55555500506 has 32 divisors (see below), whose sum is σ = 99575801280. Its totient is φ = 22947500800.

The previous prime is 55555500493. The next prime is 55555500541. The reversal of 55555500506 is 60500555555.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2550260 + ... + 2571951.

It is an arithmetic number, because the mean of its divisors is an integer number (3111743790).

Almost surely, 2^55555500506 is an apocalyptic number.

55555500506 is a deficient number, since it is larger than the sum of its proper divisors (44020300774).

55555500506 is a wasteful number, since it uses less digits than its factorization.

55555500506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122270.

The product of its (nonzero) digits is 468750, while the sum is 41.

The spelling of 55555500506 in words is "fifty-five billion, five hundred fifty-five million, five hundred thousand, five hundred six".