27750055030553 has 4 divisors (see below), whose sum is σ = 27751858988928. Its totient is φ = 27748251072180.

The previous prime is 27750055030501. The next prime is 27750055030601. The reversal of 27750055030553 is 35503055005772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27750055030553 - 2²⁰ = 27750053981977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27750055030498 and 27750055030507.

It is not an unprimeable number, because it can be changed into a prime (27750055030153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901956113 + ... + 901986878.

It is an arithmetic number, because the mean of its divisors is an integer number (6937964747232).

Almost surely, 2^{27750055030553} is an apocalyptic number.

It is an amenable number.

27750055030553 is a deficient number, since it is larger than the sum of its proper divisors (1803958375).

27750055030553 is a wasteful number, since it uses less digits than its factorization.

27750055030553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803958374.

The product of its (nonzero) digits is 2756250, while the sum is 47.

The spelling of 27750055030553 in words is "twenty-seven trillion, seven hundred fifty billion, fifty-five million, thirty thousand, five hundred fifty-three".