27555025056 has 96 divisors (see below), whose sum is σ = 80408821248. Its totient is φ = 8204958720.

The previous prime is 27555025039. The next prime is 27555025073. The reversal of 27555025056 is 65052055572.

It is an interprime number because it is at equal distance from previous prime (27555025039) and next prime (27555025073).

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 27555024999 and 27555025017.

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 15 ways as a sum of consecutive naturals, for example, 317431 + ... + 394806.

It is an arithmetic number, because the mean of its divisors is an integer number (837591888).

Almost surely, 2^27555025056 is an apocalyptic number.

27555025056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27555025056 is an abundant number, since it is smaller than the sum of its proper divisors (52853796192).

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

27555025056 is a wasteful number, since it uses less digits than its factorization.

27555025056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712294 (or 712286 counting only the distinct ones).

The product of its (nonzero) digits is 525000, while the sum is 42.

The spelling of 27555025056 in words is "twenty-seven billion, five hundred fifty-five million, twenty-five thousand, fifty-six".