27800052 has 36 divisors (see below), whose sum is σ = 75458880. Its totient is φ = 7942704.

The previous prime is 27800051. The next prime is 27800057. The reversal of 27800052 is 25000872.

It is a junction number, because it is equal to n+sod(n) for n = 27799995 and 27800031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27800051) 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, 23052 + ... + 24227.

It is an arithmetic number, because the mean of its divisors is an integer number (2096080).

Almost surely, 2^27800052 is an apocalyptic number.

It is an amenable number.

27800052 is an abundant number, since it is smaller than the sum of its proper divisors (47658828).

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

27800052 is a wasteful number, since it uses less digits than its factorization.

27800052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47300 (or 47291 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 27800052 is about 5272.5754617644. The cubic root of 27800052 is about 302.9343604070.

The spelling of 27800052 in words is "twenty-seven million, eight hundred thousand, fifty-two".