55500005505 has 32 divisors (see below), whose sum is σ = 102490553088. Its totient is φ = 25120224000.

The previous prime is 55500005489. The next prime is 55500005543. The reversal of 55500005505 is 50550000555.

It is not a de Polignac number, because 55500005505 - 2⁴ = 55500005489 is a prime.

It is a super-2 number, since 2×55500005505² (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 31 ways as a sum of consecutive naturals, for example, 2606086 + ... + 2627295.

It is an arithmetic number, because the mean of its divisors is an integer number (3202829784).

Almost surely, 2^55500005505 is an apocalyptic number.

It is an amenable number.

55500005505 is a deficient number, since it is larger than the sum of its proper divisors (46990547583).

55500005505 is a wasteful number, since it uses less digits than its factorization.

55500005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233497.

The product of its (nonzero) digits is 15625, while the sum is 30.

It can be divided in two parts, 5550000550 and 5, that added together give a palindrome (5550000555).

The spelling of 55500005505 in words is "fifty-five billion, five hundred million, five thousand, five hundred five".