55006500555 has 48 divisors (see below), whose sum is σ = 95905633824. Its totient is φ = 29164423680.

The previous prime is 55006500509. The next prime is 55006500557. The reversal of 55006500555 is 55500560055.

55006500555 is a `hidden beast` number, since 5 + 50 + 0 + 6 + 50 + 0 + 555 = 666.

It is not a de Polignac number, because 55006500555 - 2¹¹ = 55006498507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55006500557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21017607 + ... + 21020223.

It is an arithmetic number, because the mean of its divisors is an integer number (1998034038).

Almost surely, 2^55006500555 is an apocalyptic number.

55006500555 is a deficient number, since it is larger than the sum of its proper divisors (40899133269).

55006500555 is a wasteful number, since it uses less digits than its factorization.

55006500555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196 (or 5193 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 55006500555 in words is "fifty-five billion, six million, five hundred thousand, five hundred fifty-five".