275990500 has 24 divisors (see below), whose sum is σ = 602764344. Its totient is φ = 110396000.

The previous prime is 275990497. The next prime is 275990509. The reversal of 275990500 is 5099572.

It can be written as a sum of positive squares in 4 ways, for example, as 164836 + 275825664 = 406^2 + 16608^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 275990500.

It is not an unprimeable number, because it can be changed into a prime (275990509) 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, 275491 + ... + 276490.

It is an arithmetic number, because the mean of its divisors is an integer number (25115181).

Almost surely, 2^275990500 is an apocalyptic number.

275990500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275990500 is an abundant number, since it is smaller than the sum of its proper divisors (326773844).

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

275990500 is a wasteful number, since it uses less digits than its factorization.

275990500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552000 (or 551988 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 275990500 is about 16612.9618069747. The cubic root of 275990500 is about 651.0755369117.

The spelling of 275990500 in words is "two hundred seventy-five million, nine hundred ninety thousand, five hundred".