27550038 has 16 divisors (see below), whose sum is σ = 58000320. Its totient is φ = 8699976.

The previous prime is 27550027. The next prime is 27550043. The reversal of 27550038 is 83005572.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27549987 and 27550014.

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 7 ways as a sum of consecutive naturals, for example, 120720 + ... + 120947.

It is an arithmetic number, because the mean of its divisors is an integer number (3625020).

Almost surely, 2^27550038 is an apocalyptic number.

27550038 is an abundant number, since it is smaller than the sum of its proper divisors (30450282).

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

27550038 is a wasteful number, since it uses less digits than its factorization.

27550038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241691.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 27550038 is about 5248.8130086716. The cubic root of 27550038 is about 302.0234986028.

The spelling of 27550038 in words is "twenty-seven million, five hundred fifty thousand, thirty-eight".