275540650 has 48 divisors (see below), whose sum is σ = 638976960. Its totient is φ = 85881600.

The previous prime is 275540647. The next prime is 275540651. The reversal of 275540650 is 56045572.

275540650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (275540651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31935 + ... + 39634.

It is an arithmetic number, because the mean of its divisors is an integer number (13312020).

Almost surely, 2^275540650 is an apocalyptic number.

275540650 is an abundant number, since it is smaller than the sum of its proper divisors (363436310).

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

275540650 is a wasteful number, since it uses less digits than its factorization.

275540650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71599 (or 71594 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 275540650 is about 16599.4171584426. The cubic root of 275540650 is about 650.7216049173.

The spelling of 275540650 in words is "two hundred seventy-five million, five hundred forty thousand, six hundred fifty".