755505563 has 2 divisors, whose sum is σ = 755505564. Its totient is φ = 755505562.

The previous prime is 755505547. The next prime is 755505577. The reversal of 755505563 is 365505557.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (365505557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 755505563 - 2⁴ = 755505547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 755505563.

It is not a weakly prime, because it can be changed into another prime (755505523) 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 as a sum of consecutive naturals, namely, 377752781 + 377752782.

It is an arithmetic number, because the mean of its divisors is an integer number (377752782).

Almost surely, 2^755505563 is an apocalyptic number.

755505563 is a deficient number, since it is larger than the sum of its proper divisors (1).

755505563 is an equidigital number, since it uses as much as digits as its factorization.

755505563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393750, while the sum is 41.

The square root of 755505563 is about 27486.4614492299. The cubic root of 755505563 is about 910.7780501110.

The spelling of 755505563 in words is "seven hundred fifty-five million, five hundred five thousand, five hundred sixty-three".