27853353575553 has 16 divisors (see below), whose sum is σ = 40531967154432. Its totient is φ = 16873321050000.

The previous prime is 27853353575533. The next prime is 27853353575557. The reversal of 27853353575553 is 35557535335872.

It is not a de Polignac number, because 27853353575553 - 2⁹ = 27853353575041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27853353575557) 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, 187407063 + ... + 187555628.

It is an arithmetic number, because the mean of its divisors is an integer number (2533247947152).

Almost surely, 2^{27853353575553} is an apocalyptic number.

It is an amenable number.

27853353575553 is a deficient number, since it is larger than the sum of its proper divisors (12678613578879).

27853353575553 is a wasteful number, since it uses less digits than its factorization.

27853353575553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374964956.

The product of its digits is 992250000, while the sum is 66.

The spelling of 27853353575553 in words is "twenty-seven trillion, eight hundred fifty-three billion, three hundred fifty-three million, five hundred seventy-five thousand, five hundred fifty-three".