27551152 has 40 divisors (see below), whose sum is σ = 56916000. Its totient is φ = 12874752.

The previous prime is 27551129. The next prime is 27551191. The reversal of 27551152 is 25115572.

It is a self number, because there is not a number n which added to its sum of digits gives 27551152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53874 + ... + 54382.

It is an arithmetic number, because the mean of its divisors is an integer number (1422900).

Almost surely, 2^27551152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27551152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28458000).

27551152 is an abundant number, since it is smaller than the sum of its proper divisors (29364848).

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

27551152 is a wasteful number, since it uses less digits than its factorization.

27551152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 727 counting only the distinct ones).

The product of its digits is 3500, while the sum is 28.

The square root of 27551152 is about 5248.9191268298. The cubic root of 27551152 is about 302.0275693733.

The spelling of 27551152 in words is "twenty-seven million, five hundred fifty-one thousand, one hundred fifty-two".