27752805055013 has 4 divisors (see below), whose sum is σ = 27752892186048. Its totient is φ = 27752717923980.

The previous prime is 27752805054983. The next prime is 27752805055033. The reversal of 27752805055013 is 31055050825772.

It is a happy number.

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 27752805055013 - 2¹² = 27752805050917 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 (27752805055033) 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, 43085981 + ... + 43725362.

It is an arithmetic number, because the mean of its divisors is an integer number (6938223046512).

Almost surely, 2^{27752805055013} is an apocalyptic number.

It is an amenable number.

27752805055013 is a deficient number, since it is larger than the sum of its proper divisors (87131035).

27752805055013 is an equidigital number, since it uses as much as digits as its factorization.

27752805055013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87131034.

The product of its (nonzero) digits is 2940000, while the sum is 50.

The spelling of 27752805055013 in words is "twenty-seven trillion, seven hundred fifty-two billion, eight hundred five million, fifty-five thousand, thirteen".