56863452533 has 4 divisors (see below), whose sum is σ = 57502367820. Its totient is φ = 56224537248.

The previous prime is 56863452523. The next prime is 56863452563. The reversal of 56863452533 is 33525436865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33525436865 = 5 ⋅6705087373.

It can be written as a sum of positive squares in 2 ways, for example, as 3484895089 + 53378557444 = 59033^2 + 231038^2 .

It is a cyclic number.

It is not a de Polignac number, because 56863452533 - 2⁴ = 56863452517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56863452523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319457510 + ... + 319457687.

It is an arithmetic number, because the mean of its divisors is an integer number (14375591955).

Almost surely, 2^56863452533 is an apocalyptic number.

It is an amenable number.

56863452533 is a deficient number, since it is larger than the sum of its proper divisors (638915287).

56863452533 is an equidigital number, since it uses as much as digits as its factorization.

56863452533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638915286.

The product of its digits is 7776000, while the sum is 50.

The spelling of 56863452533 in words is "fifty-six billion, eight hundred sixty-three million, four hundred fifty-two thousand, five hundred thirty-three".