27073544455 has 4 divisors (see below), whose sum is σ = 32488253352. Its totient is φ = 21658835560.

The previous prime is 27073544453. The next prime is 27073544461. The reversal of 27073544455 is 55444537072.

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

It is not a de Polignac number, because 27073544455 - 2¹ = 27073544453 is a prime.

It is a super-2 number, since 2×27073544455² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27073544453) 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, 2707354441 + ... + 2707354450.

It is an arithmetic number, because the mean of its divisors is an integer number (8122063338).

Almost surely, 2^27073544455 is an apocalyptic number.

27073544455 is a deficient number, since it is larger than the sum of its proper divisors (5414708897).

27073544455 is an equidigital number, since it uses as much as digits as its factorization.

27073544455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414708896.

The product of its (nonzero) digits is 2352000, while the sum is 46.

The spelling of 27073544455 in words is "twenty-seven billion, seventy-three million, five hundred forty-four thousand, four hundred fifty-five".