27855150 has 48 divisors (see below), whose sum is σ = 69464304. Its totient is φ = 7386880.

The previous prime is 27855137. The next prime is 27855173. The reversal of 27855150 is 5155872.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 34552 + ... + 35348.

It is an arithmetic number, because the mean of its divisors is an integer number (1447173).

Almost surely, 2^27855150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27855150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34732152).

27855150 is an abundant number, since it is smaller than the sum of its proper divisors (41609154).

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

27855150 is a wasteful number, since it uses less digits than its factorization.

27855150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 27855150 is about 5277.7978362192. The cubic root of 27855150 is about 303.1343607837.

The spelling of 27855150 in words is "twenty-seven million, eight hundred fifty-five thousand, one hundred fifty".