27550151 has 2 divisors, whose sum is σ = 27550152. Its totient is φ = 27550150.

The previous prime is 27550141. The next prime is 27550169. The reversal of 27550151 is 15105572.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27550151 - 2¹⁴ = 27533767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27550151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27550111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13775075 + 13775076.

It is an arithmetic number, because the mean of its divisors is an integer number (13775076).

Almost surely, 2^27550151 is an apocalyptic number.

27550151 is a deficient number, since it is larger than the sum of its proper divisors (1).

27550151 is an equidigital number, since it uses as much as digits as its factorization.

27550151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 27550151 is about 5248.8237729991. The cubic root of 27550151 is about 302.0239115316.

The spelling of 27550151 in words is "twenty-seven million, five hundred fifty thousand, one hundred fifty-one".