27550530553 has 8 divisors (see below), whose sum is σ = 33908345408. Its totient is φ = 21798221904.

The previous prime is 27550530541. The next prime is 27550530563. The reversal of 27550530553 is 35503505572.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27550530553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27550530563) 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, 151376451 + ... + 151376632.

It is an arithmetic number, because the mean of its divisors is an integer number (4238543176).

Almost surely, 2^27550530553 is an apocalyptic number.

It is an amenable number.

27550530553 is a deficient number, since it is larger than the sum of its proper divisors (6357814855).

27550530553 is a wasteful number, since it uses less digits than its factorization.

27550530553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302753103.

The product of its (nonzero) digits is 393750, while the sum is 40.

The spelling of 27550530553 in words is "twenty-seven billion, five hundred fifty million, five hundred thirty thousand, five hundred fifty-three".