27053820 has 36 divisors (see below), whose sum is σ = 82063800. Its totient is φ = 7214304.

The previous prime is 27053779. The next prime is 27053821. The reversal of 27053820 is 2835072.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27053821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74970 + ... + 75329.

It is an arithmetic number, because the mean of its divisors is an integer number (2279550).

Almost surely, 2^27053820 is an apocalyptic number.

27053820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27053820 is an abundant number, since it is smaller than the sum of its proper divisors (55009980).

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

27053820 is a wasteful number, since it uses less digits than its factorization.

27053820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150314 (or 150309 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 27053820 is about 5201.3286764057. The cubic root of 27053820 is about 300.1992010339.

Adding to 27053820 its reverse (2835072), we get a palindrome (29888892).

The spelling of 27053820 in words is "twenty-seven million, fifty-three thousand, eight hundred twenty".