55055528004 has 12 divisors (see below), whose sum is σ = 128462898704. Its totient is φ = 18351842664.

The previous prime is 55055527997. The next prime is 55055528027. The reversal of 55055528004 is 40082555055.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×55055528004² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293980322 + ... + 2293980345.

Almost surely, 2^55055528004 is an apocalyptic number.

It is an amenable number.

55055528004 is an abundant number, since it is smaller than the sum of its proper divisors (73407370700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55055528004 is a wasteful number, since it uses less digits than its factorization.

55055528004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587960674 (or 4587960672 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 39.

The spelling of 55055528004 in words is "fifty-five billion, fifty-five million, five hundred twenty-eight thousand, four".