27550423 has 8 divisors (see below), whose sum is σ = 27908208. Its totient is φ = 27195264.

The previous prime is 27550379. The next prime is 27550447. The reversal of 27550423 is 32405572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27550423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27550391 and 27550400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27550823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27711 + ... + 28687.

It is an arithmetic number, because the mean of its divisors is an integer number (3488526).

Almost surely, 2^27550423 is an apocalyptic number.

27550423 is a deficient number, since it is larger than the sum of its proper divisors (357785).

27550423 is a wasteful number, since it uses less digits than its factorization.

27550423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 27550423 is about 5248.8496835021. The cubic root of 27550423 is about 302.0249054793.

Adding to 27550423 its reverse (32405572), we get a palindrome (59955995).

The spelling of 27550423 in words is "twenty-seven million, five hundred fifty thousand, four hundred twenty-three".