56852321 has 4 divisors (see below), whose sum is σ = 58174512. Its totient is φ = 55530132.

The previous prime is 56852293. The next prime is 56852339. The reversal of 56852321 is 12325865.

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-56852321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56852371) 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, 661031 + ... + 661116.

It is an arithmetic number, because the mean of its divisors is an integer number (14543628).

Almost surely, 2^56852321 is an apocalyptic number.

It is an amenable number.

56852321 is a deficient number, since it is larger than the sum of its proper divisors (1322191).

56852321 is a wasteful number, since it uses less digits than its factorization.

56852321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322190.

The product of its digits is 14400, while the sum is 32.

The square root of 56852321 is about 7540.0478115195. The cubic root of 56852321 is about 384.5174614678.

The spelling of 56852321 in words is "fifty-six million, eight hundred fifty-two thousand, three hundred twenty-one".