27775280553 has 16 divisors (see below), whose sum is σ = 37733533440. Its totient is φ = 18168143184.

The previous prime is 27775280417. The next prime is 27775280563. The reversal of 27775280553 is 35508257772.

It is not a de Polignac number, because 27775280553 - 2⁸ = 27775280297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27775280496 and 27775280505.

It is not an unprimeable number, because it can be changed into a prime (27775280563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57451 + ... + 242592.

It is an arithmetic number, because the mean of its divisors is an integer number (2358345840).

Almost surely, 2^27775280553 is an apocalyptic number.

It is an amenable number.

27775280553 is a deficient number, since it is larger than the sum of its proper divisors (9958252887).

27775280553 is a wasteful number, since it uses less digits than its factorization.

27775280553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300628.

The product of its (nonzero) digits is 4116000, while the sum is 51.

The spelling of 27775280553 in words is "twenty-seven billion, seven hundred seventy-five million, two hundred eighty thousand, five hundred fifty-three".