56223771 has 8 divisors (see below), whose sum is σ = 75707664. Its totient is φ = 37111200.

The previous prime is 56223767. The next prime is 56223773. The reversal of 56223771 is 17732265.

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

It is not a de Polignac number, because 56223771 - 2² = 56223767 is a prime.

It is a super-2 number, since 2×56223771² = 6322224850920882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56223773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92476 + ... + 93081.

It is an arithmetic number, because the mean of its divisors is an integer number (9463458).

Almost surely, 2^56223771 is an apocalyptic number.

56223771 is a deficient number, since it is larger than the sum of its proper divisors (19483893).

56223771 is a wasteful number, since it uses less digits than its factorization.

56223771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185661.

The product of its digits is 17640, while the sum is 33.

The square root of 56223771 is about 7498.2511961123. The cubic root of 56223771 is about 383.0951527745.

The spelling of 56223771 in words is "fifty-six million, two hundred twenty-three thousand, seven hundred seventy-one".