56223667 has 4 divisors (see below), whose sum is σ = 56259256. Its totient is φ = 56188080.

The previous prime is 56223659. The next prime is 56223689. The reversal of 56223667 is 76632265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56223667 - 2³ = 56223659 is a prime.

It is a super-2 number, since 2×56223667² = 6322201461853778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56223647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15309 + ... + 18622.

It is an arithmetic number, because the mean of its divisors is an integer number (14064814).

Almost surely, 2^56223667 is an apocalyptic number.

56223667 is a deficient number, since it is larger than the sum of its proper divisors (35589).

56223667 is a wasteful number, since it uses less digits than its factorization.

56223667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35588.

The product of its digits is 90720, while the sum is 37.

The square root of 56223667 is about 7498.2442611587. The cubic root of 56223667 is about 383.0949165641.

The spelling of 56223667 in words is "fifty-six million, two hundred twenty-three thousand, six hundred sixty-seven".