27780053 has 8 divisors (see below), whose sum is σ = 31865472. Its totient is φ = 23723856.

The previous prime is 27780047. The next prime is 27780073. The reversal of 27780053 is 35008772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27780053 - 2⁴ = 27780037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27780013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5225 + ... + 9102.

It is an arithmetic number, because the mean of its divisors is an integer number (3983184).

Almost surely, 2^27780053 is an apocalyptic number.

It is an amenable number.

27780053 is a deficient number, since it is larger than the sum of its proper divisors (4085419).

27780053 is a wasteful number, since it uses less digits than its factorization.

27780053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14611.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 27780053 is about 5270.6786090597. The cubic root of 27780053 is about 302.8617006192.

It can be divided in two parts, 277 and 80053, that multiplied together give a square (22174681 = 4709²).

The spelling of 27780053 in words is "twenty-seven million, seven hundred eighty thousand, fifty-three".