27550055553 has 8 divisors (see below), whose sum is σ = 37281667488. Its totient is φ = 18092573664.

The previous prime is 27550055531. The next prime is 27550055563. The reversal of 27550055553 is 35555005572.

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

It is not a de Polignac number, because 27550055553 - 2¹⁰ = 27550054529 is a prime.

It is a super-2 number, since 2×27550055553² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27550055563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68532276 + ... + 68532677.

It is an arithmetic number, because the mean of its divisors is an integer number (4660208436).

Almost surely, 2^27550055553 is an apocalyptic number.

It is an amenable number.

27550055553 is a deficient number, since it is larger than the sum of its proper divisors (9731611935).

27550055553 is a wasteful number, since it uses less digits than its factorization.

27550055553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137065023.

The product of its (nonzero) digits is 656250, while the sum is 42.

The spelling of 27550055553 in words is "twenty-seven billion, five hundred fifty million, fifty-five thousand, five hundred fifty-three".