755564 has 6 divisors (see below), whose sum is σ = 1322244. Its totient is φ = 377780.

The previous prime is 755561. The next prime is 755567. The reversal of 755564 is 465557.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (755561) and next prime (755567).

It is a self number, because there is not a number n which added to its sum of digits gives 755564.

It is not an unprimeable number, because it can be changed into a prime (755561) 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 as a sum of consecutive naturals, namely, 94442 + ... + 94449.

It is an arithmetic number, because the mean of its divisors is an integer number (220374).

2⁷⁵⁵⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

755564 is a deficient number, since it is larger than the sum of its proper divisors (566680).

755564 is a wasteful number, since it uses less digits than its factorization.

755564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188895 (or 188893 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 755564 is about 869.2318447917. The cubic root of 755564 is about 91.0801531855.

The spelling of 755564 in words is "seven hundred fifty-five thousand, five hundred sixty-four".