275564 has 6 divisors (see below), whose sum is σ = 482244. Its totient is φ = 137780.

The previous prime is 275549. The next prime is 275573. The reversal of 275564 is 465572.

It is a plaindrome in base 12 and base 15.

It is an unprimeable number.

275564 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34442 + ... + 34449.

It is an arithmetic number, because the mean of its divisors is an integer number (80374).

2²⁷⁵⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

275564 is a deficient number, since it is larger than the sum of its proper divisors (206680).

275564 is a wasteful number, since it uses less digits than its factorization.

275564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68895 (or 68893 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 275564 is about 524.9419015472. The cubic root of 275564 is about 65.0739985654.

It can be divided in two parts, 27556 and 4, that multiplied together give a square (110224 = 332²).

The spelling of 275564 in words is "two hundred seventy-five thousand, five hundred sixty-four".