27550528055503 has 4 divisors (see below), whose sum is σ = 27927932549488. Its totient is φ = 27173123561520.

The previous prime is 27550528055459. The next prime is 27550528055569. The reversal of 27550528055503 is 30555082505572.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 27550528055503 - 2³³ = 27541938120911 is a prime.

It is a super-2 number, since 2×27550528055503² (a number of 28 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 (27550528055593) 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, 188702246883 + ... + 188702247028.

It is an arithmetic number, because the mean of its divisors is an integer number (6981983137372).

Almost surely, 2^{27550528055503} is an apocalyptic number.

27550528055503 is a deficient number, since it is larger than the sum of its proper divisors (377404493985).

27550528055503 is an equidigital number, since it uses as much as digits as its factorization.

27550528055503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377404493984.

The product of its (nonzero) digits is 10500000, while the sum is 52.

The spelling of 27550528055503 in words is "twenty-seven trillion, five hundred fifty billion, five hundred twenty-eight million, fifty-five thousand, five hundred three".