27980054 has 8 divisors (see below), whose sum is σ = 42081960. Its totient is φ = 13952736.

The previous prime is 27980039. The next prime is 27980059. The reversal of 27980054 is 45008972.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27979996 and 27980023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27980059) 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 3 ways as a sum of consecutive naturals, for example, 17699 + ... + 19214.

It is an arithmetic number, because the mean of its divisors is an integer number (5260245).

Almost surely, 2^27980054 is an apocalyptic number.

27980054 is a deficient number, since it is larger than the sum of its proper divisors (14101906).

27980054 is a wasteful number, since it uses less digits than its factorization.

27980054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37294.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 27980054 is about 5289.6175665165. The cubic root of 27980054 is about 303.5867755313.

The spelling of 27980054 in words is "twenty-seven million, nine hundred eighty thousand, fifty-four".