55005505055506 has 16 divisors (see below), whose sum is σ = 84280252818816. Its totient is φ = 26912316621456.

The previous prime is 55005505055503. The next prime is 55005505055509. The reversal of 55005505055506 is 60555050550055.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55005505055503) and next prime (55005505055509).

It is a super-2 number, since 2×55005505055506² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55005505055503) 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, 56810421 + ... + 57770536.

It is an arithmetic number, because the mean of its divisors is an integer number (5267515801176).

Almost surely, 2^{55005505055506} is an apocalyptic number.

55005505055506 is a deficient number, since it is larger than the sum of its proper divisors (29274747763310).

55005505055506 is a wasteful number, since it uses less digits than its factorization.

55005505055506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114586113.

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

The spelling of 55005505055506 in words is "fifty-five trillion, five billion, five hundred five million, fifty-five thousand, five hundred six".