27920552 has 16 divisors (see below), whose sum is σ = 57110400. Its totient is φ = 12691120.

The previous prime is 27920531. The next prime is 27920561. The reversal of 27920552 is 25502972.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158552 + ... + 158727.

It is an arithmetic number, because the mean of its divisors is an integer number (3569400).

Almost surely, 2^27920552 is an apocalyptic number.

27920552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27920552 is an abundant number, since it is smaller than the sum of its proper divisors (29189848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27920552 is a wasteful number, since it uses less digits than its factorization.

27920552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317296 (or 317292 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 27920552 is about 5283.9901589613. The cubic root of 27920552 is about 303.3714216418.

The spelling of 27920552 in words is "twenty-seven million, nine hundred twenty thousand, five hundred fifty-two".