56320231 has 8 divisors (see below), whose sum is σ = 62181504. Its totient is φ = 50582520.

The previous prime is 56320213. The next prime is 56320247. The reversal of 56320231 is 13202365.

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

It is a cyclic number.

It is not a de Polignac number, because 56320231 - 2²¹ = 54223079 is a prime.

It is a super-2 number, since 2×56320231² = 6343936839786722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56320631) 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, 29931 + ... + 31756.

It is an arithmetic number, because the mean of its divisors is an integer number (7772688).

Almost surely, 2^56320231 is an apocalyptic number.

56320231 is a deficient number, since it is larger than the sum of its proper divisors (5861273).

56320231 is a wasteful number, since it uses less digits than its factorization.

56320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61781.

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

The square root of 56320231 is about 7504.6806061284. The cubic root of 56320231 is about 383.3141126259.

Adding to 56320231 its reverse (13202365), we get a palindrome (69522596).

It can be divided in two parts, 5 and 6320231, that added together give a palindrome (6320236).

The spelling of 56320231 in words is "fifty-six million, three hundred twenty thousand, two hundred thirty-one".