56267321 has 4 divisors (see below), whose sum is σ = 61382544. Its totient is φ = 51152100.

The previous prime is 56267273. The next prime is 56267327. The reversal of 56267321 is 12376265.

56267321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56267321 is a prime.

It is a super-2 number, since 2×56267321² = 6332022825034082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56267327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557595 + ... + 2557616.

It is an arithmetic number, because the mean of its divisors is an integer number (15345636).

Almost surely, 2^56267321 is an apocalyptic number.

It is an amenable number.

56267321 is a deficient number, since it is larger than the sum of its proper divisors (5115223).

56267321 is a wasteful number, since it uses less digits than its factorization.

56267321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115222.

The product of its digits is 15120, while the sum is 32.

The square root of 56267321 is about 7501.1546444531. The cubic root of 56267321 is about 383.1940402961.

The spelling of 56267321 in words is "fifty-six million, two hundred sixty-seven thousand, three hundred twenty-one".