56226563 has 4 divisors (see below), whose sum is σ = 58165440. Its totient is φ = 54287688.

The previous prime is 56226553. The next prime is 56226589. The reversal of 56226563 is 36562265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36562265 = 5 ⋅7312453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56226563 is a prime.

It is a super-2 number, since 2×56226563² = 6322852773585938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56226553) 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, 969395 + ... + 969452.

It is an arithmetic number, because the mean of its divisors is an integer number (14541360).

Almost surely, 2^56226563 is an apocalyptic number.

56226563 is a deficient number, since it is larger than the sum of its proper divisors (1938877).

56226563 is a wasteful number, since it uses less digits than its factorization.

56226563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938876.

The product of its digits is 64800, while the sum is 35.

The square root of 56226563 is about 7498.4373705459. The cubic root of 56226563 is about 383.1014940067.

The spelling of 56226563 in words is "fifty-six million, two hundred twenty-six thousand, five hundred sixty-three".