27500553053 has 4 divisors (see below), whose sum is σ = 27500943228. Its totient is φ = 27500162880.

The previous prime is 27500553049. The next prime is 27500553103. The reversal of 27500553053 is 35035500572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11368250884 + 16132302169 = 106622^2 + 127013^2 .

It is a cyclic number.

It is not a de Polignac number, because 27500553053 - 2² = 27500553049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27500553653) 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, 56588 + ... + 241253.

It is an arithmetic number, because the mean of its divisors is an integer number (6875235807).

Almost surely, 2^27500553053 is an apocalyptic number.

It is an amenable number.

27500553053 is a deficient number, since it is larger than the sum of its proper divisors (390175).

27500553053 is an equidigital number, since it uses as much as digits as its factorization.

27500553053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390174.

The product of its (nonzero) digits is 78750, while the sum is 35.

The spelling of 27500553053 in words is "twenty-seven billion, five hundred million, five hundred fifty-three thousand, fifty-three".