275580500 has 48 divisors (see below), whose sum is σ = 648180624. Its totient is φ = 101750400.

The previous prime is 275580499. The next prime is 275580509. The reversal of 275580500 is 5085572.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 128006596 + 147573904 = 11314^2 + 12148^2 .

It is a super-2 number, since 2×275580500² = 151889223960500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275580509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14699 + ... + 27698.

It is an arithmetic number, because the mean of its divisors is an integer number (13503763).

Almost surely, 2^275580500 is an apocalyptic number.

275580500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275580500 is an abundant number, since it is smaller than the sum of its proper divisors (372600124).

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

275580500 is a wasteful number, since it uses less digits than its factorization.

275580500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42429 (or 42417 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 275580500 is about 16600.6174583959. The cubic root of 275580500 is about 650.7529735568.

The spelling of 275580500 in words is "two hundred seventy-five million, five hundred eighty thousand, five hundred".