553680765 has 80 divisors (see below), whose sum is σ = 1112348160. Its totient is φ = 261118080.

The previous prime is 553680761. The next prime is 553680773. The reversal of 553680765 is 567086355.

553680765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 553680765 - 2² = 553680761 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 553680765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553680761) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 163156 + ... + 166514.

It is an arithmetic number, because the mean of its divisors is an integer number (13904352).

Almost surely, 2^553680765 is an apocalyptic number.

553680765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

553680765 is an abundant number, since it is smaller than the sum of its proper divisors (558667395).

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

553680765 is a wasteful number, since it uses less digits than its factorization.

553680765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424 (or 3415 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 553680765 is about 23530.4221169107. The cubic root of 553680765 is about 821.1449230672.

The spelling of 553680765 in words is "five hundred fifty-three million, six hundred eighty thousand, seven hundred sixty-five".