56205263 has 4 divisors (see below), whose sum is σ = 58018368. Its totient is φ = 54392160.

The previous prime is 56205181. The next prime is 56205269. The reversal of 56205263 is 36250265.

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: 36250265 = 5 ⋅7250053.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56205263 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 (56205269) 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, 906506 + ... + 906567.

It is an arithmetic number, because the mean of its divisors is an integer number (14504592).

Almost surely, 2^56205263 is an apocalyptic number.

56205263 is a deficient number, since it is larger than the sum of its proper divisors (1813105).

56205263 is a wasteful number, since it uses less digits than its factorization.

56205263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813104.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 56205263 is about 7497.0169400902. The cubic root of 56205263 is about 383.0531118186.

The spelling of 56205263 in words is "fifty-six million, two hundred five thousand, two hundred sixty-three".