523064046553 has 4 divisors (see below), whose sum is σ = 523124812980. Its totient is φ = 523003280128.

The previous prime is 523064046499. The next prime is 523064046611. The reversal of 523064046553 is 355640460325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 151393362649 + 371670683904 = 389093^2 + 609648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523064046553 is a prime.

It is a super-4 number, since 4×523064046553⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523064046053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30370300 + ... + 30387517.

It is an arithmetic number, because the mean of its divisors is an integer number (130781203245).

Almost surely, 2^523064046553 is an apocalyptic number.

It is an amenable number.

523064046553 is a deficient number, since it is larger than the sum of its proper divisors (60766427).

523064046553 is an equidigital number, since it uses as much as digits as its factorization.

523064046553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60766426.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 523064046553 in words is "five hundred twenty-three billion, sixty-four million, forty-six thousand, five hundred fifty-three".