27747522055 has 8 divisors (see below), whose sum is σ = 36324028944. Its totient is φ = 20180016000.

The previous prime is 27747522037. The next prime is 27747522091. The reversal of 27747522055 is 55022574772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-27747522055 is a prime.

It is a super-2 number, since 2×27747522055² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27747521996 and 27747522014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252250146 + ... + 252250255.

It is an arithmetic number, because the mean of its divisors is an integer number (4540503618).

Almost surely, 2^27747522055 is an apocalyptic number.

27747522055 is a deficient number, since it is larger than the sum of its proper divisors (8576506889).

27747522055 is a wasteful number, since it uses less digits than its factorization.

27747522055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504500417.

The product of its (nonzero) digits is 1372000, while the sum is 46.

The spelling of 27747522055 in words is "twenty-seven billion, seven hundred forty-seven million, five hundred twenty-two thousand, fifty-five".