56224317 has 4 divisors (see below), whose sum is σ = 74965760. Its totient is φ = 37482876.

The previous prime is 56224313. The next prime is 56224373. The reversal of 56224317 is 71342265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56224317 - 2² = 56224313 is a prime.

It is a super-2 number, since 2×56224317² = 6322347644232978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56224313) 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, 9370717 + ... + 9370722.

It is an arithmetic number, because the mean of its divisors is an integer number (18741440).

Almost surely, 2^56224317 is an apocalyptic number.

It is an amenable number.

56224317 is a deficient number, since it is larger than the sum of its proper divisors (18741443).

56224317 is a wasteful number, since it uses less digits than its factorization.

56224317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18741442.

The product of its digits is 10080, while the sum is 30.

The square root of 56224317 is about 7498.2876045134. The cubic root of 56224317 is about 383.0963928744.

The spelling of 56224317 in words is "fifty-six million, two hundred twenty-four thousand, three hundred seventeen".