27800050 has 48 divisors (see below), whose sum is σ = 53996544. Its totient is φ = 10640000.

The previous prime is 27799999. The next prime is 27800051. The reversal of 27800050 is 5000872.

27800050 = 250² + 251² + ... + 462².

It is a junction number, because it is equal to n+sod(n) for n = 27799994 and 27800030.

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 23 ways as a sum of consecutive naturals, for example, 145455 + ... + 145645.

It is an arithmetic number, because the mean of its divisors is an integer number (1124928).

Almost surely, 2^27800050 is an apocalyptic number.

27800050 is a deficient number, since it is larger than the sum of its proper divisors (26196494).

27800050 is a wasteful number, since it uses less digits than its factorization.

27800050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 27800050 is about 5272.5752721038. The cubic root of 27800050 is about 302.9343531424.

The spelling of 27800050 in words is "twenty-seven million, eight hundred thousand, fifty".