55005555506 has 32 divisors (see below), whose sum is σ = 90402298560. Its totient is φ = 24893510400.

The previous prime is 55005555491. The next prime is 55005555611. The reversal of 55005555506 is 60555550055.

55005555506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55005555506² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5886470 + ... + 5895806.

It is an arithmetic number, because the mean of its divisors is an integer number (2825071830).

Almost surely, 2^55005555506 is an apocalyptic number.

55005555506 is a deficient number, since it is larger than the sum of its proper divisors (35396743054).

55005555506 is a wasteful number, since it uses less digits than its factorization.

55005555506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490.

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

The spelling of 55005555506 in words is "fifty-five billion, five million, five hundred fifty-five thousand, five hundred six".