536553765 has 24 divisors (see below), whose sum is σ = 1014575328. Its totient is φ = 260147040.

The previous prime is 536553763. The next prime is 536553767. The reversal of 536553765 is 567355635.

It is a happy number.

536553765 is a `hidden beast` number, since 5 + 36 + 553 + 7 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (536553763) and next prime (536553767).

It is not a de Polignac number, because 536553765 - 2¹ = 536553763 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 536553765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536553763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 541479 + ... + 542468.

It is an arithmetic number, because the mean of its divisors is an integer number (42273972).

Almost surely, 2^536553765 is an apocalyptic number.

536553765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

536553765 is a deficient number, since it is larger than the sum of its proper divisors (478021563).

536553765 is a wasteful number, since it uses less digits than its factorization.

536553765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083969 (or 1083966 counting only the distinct ones).

The product of its digits is 1417500, while the sum is 45.

The square root of 536553765 is about 23163.6302206714. The cubic root of 536553765 is about 812.5892679828.

The spelling of 536553765 in words is "five hundred thirty-six million, five hundred fifty-three thousand, seven hundred sixty-five".