55505055055504 has 20 divisors (see below), whose sum is σ = 107541160150060. Its totient is φ = 27752497597440.

The previous prime is 55505055055501. The next prime is 55505055055511. The reversal of 55505055055504 is 40555055050555.

It can be written as a sum of positive squares in 2 ways, for example, as 13889396015104 + 41615659040400 = 3726848^2 + 6451020^2 .

It is a super-2 number, since 2×55505055055504² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55505055055501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26125384 + ... + 28169944.

It is an arithmetic number, because the mean of its divisors is an integer number (5377058007503).

Almost surely, 2^{55505055055504} is an apocalyptic number.

It is an amenable number.

55505055055504 is a deficient number, since it is larger than the sum of its proper divisors (52036105094556).

55505055055504 is a wasteful number, since it uses less digits than its factorization.

55505055055504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741298 (or 3741292 counting only the distinct ones).

The product of its (nonzero) digits is 7812500, while the sum is 49.

The spelling of 55505055055504 in words is "fifty-five trillion, five hundred five billion, fifty-five million, fifty-five thousand, five hundred four".