56032231 has 8 divisors (see below), whose sum is σ = 56576000. Its totient is φ = 55491480.

The previous prime is 56032219. The next prime is 56032267. The reversal of 56032231 is 13223065.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56032231 is a prime.

It is a super-2 number, since 2×56032231² = 6279221821674722, 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 (56032271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53410 + ... + 54448.

It is an arithmetic number, because the mean of its divisors is an integer number (7072000).

Almost surely, 2^56032231 is an apocalyptic number.

56032231 is a deficient number, since it is larger than the sum of its proper divisors (543769).

56032231 is a wasteful number, since it uses less digits than its factorization.

56032231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 56032231 is about 7485.4679880419. The cubic root of 56032231 is about 382.6596221021.

Adding to 56032231 its reverse (13223065), we get a palindrome (69255296).

The spelling of 56032231 in words is "fifty-six million, thirty-two thousand, two hundred thirty-one".