56226566 has 8 divisors (see below), whose sum is σ = 92007144. Its totient is φ = 25557520.

The previous prime is 56226553. The next prime is 56226589. The reversal of 56226566 is 66562265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56226566² = 6322853448304712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277855 + ... + 1277898.

It is an arithmetic number, because the mean of its divisors is an integer number (11500893).

Almost surely, 2^56226566 is an apocalyptic number.

56226566 is a deficient number, since it is larger than the sum of its proper divisors (35780578).

56226566 is a wasteful number, since it uses less digits than its factorization.

56226566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555766.

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

The square root of 56226566 is about 7498.4375705876. The cubic root of 56226566 is about 383.1015008203.

It can be divided in two parts, 56 and 226566, that added together give a palindrome (226622).

The spelling of 56226566 in words is "fifty-six million, two hundred twenty-six thousand, five hundred sixty-six".