56863523 has 4 divisors (see below), whose sum is σ = 59856360. Its totient is φ = 53870688.

The previous prime is 56863511. The next prime is 56863537. The reversal of 56863523 is 32536865.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32536865 = 5 ⋅6507373.

It is a cyclic number.

It is not a de Polignac number, because 56863523 - 2⁴ = 56863507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56863823) 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, 1496390 + ... + 1496427.

It is an arithmetic number, because the mean of its divisors is an integer number (14964090).

Almost surely, 2^56863523 is an apocalyptic number.

56863523 is a deficient number, since it is larger than the sum of its proper divisors (2992837).

56863523 is a wasteful number, since it uses less digits than its factorization.

56863523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992836.

The product of its digits is 129600, while the sum is 38.

The square root of 56863523 is about 7540.7906084177. The cubic root of 56863523 is about 384.5427145073.

The spelling of 56863523 in words is "fifty-six million, eight hundred sixty-three thousand, five hundred twenty-three".