765089055 has 48 divisors (see below), whose sum is σ = 1409166720. Its totient is φ = 382912704.

The previous prime is 765089053. The next prime is 765089081. The reversal of 765089055 is 550980567.

765089055 is a `hidden beast` number, since 7 + 6 + 508 + 90 + 55 = 666.

It is not a de Polignac number, because 765089055 - 2¹ = 765089053 is a prime.

It is a super-2 number, since 2×765089055² = 1170722524161586050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 765089055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765089051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87304 + ... + 95666.

It is an arithmetic number, because the mean of its divisors is an integer number (29357640).

Almost surely, 2^765089055 is an apocalyptic number.

765089055 is a deficient number, since it is larger than the sum of its proper divisors (644077665).

765089055 is a wasteful number, since it uses less digits than its factorization.

765089055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500 (or 8497 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 765089055 is about 27660.2432201888. The cubic root of 765089055 is about 914.6129151908.

The spelling of 765089055 in words is "seven hundred sixty-five million, eighty-nine thousand, fifty-five".