55055528005 has 4 divisors (see below), whose sum is σ = 66066633612. Its totient is φ = 44044422400.

The previous prime is 55055527997. The next prime is 55055528027. The reversal of 55055528005 is 50082555055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38523483076 + 16532044929 = 196274^2 + 128577^2 .

It is not a de Polignac number, because 55055528005 - 2³ = 55055527997 is a prime.

It is a super-2 number, since 2×55055528005² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505552796 + ... + 5505552805.

It is an arithmetic number, because the mean of its divisors is an integer number (16516658403).

Almost surely, 2^55055528005 is an apocalyptic number.

It is an amenable number.

55055528005 is a deficient number, since it is larger than the sum of its proper divisors (11011105607).

55055528005 is a wasteful number, since it uses less digits than its factorization.

55055528005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011105606.

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 55055528005 in words is "fifty-five billion, fifty-five million, five hundred twenty-eight thousand, five".