56146231 has 2 divisors, whose sum is σ = 56146232. Its totient is φ = 56146230.

The previous prime is 56146199. The next prime is 56146241. The reversal of 56146231 is 13264165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56146231 - 2⁵ = 56146199 is a prime.

It is a super-3 number, since 3×56146231³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 56146231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56146241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28073115 + 28073116.

It is an arithmetic number, because the mean of its divisors is an integer number (28073116).

Almost surely, 2^56146231 is an apocalyptic number.

56146231 is a deficient number, since it is larger than the sum of its proper divisors (1).

56146231 is an equidigital number, since it uses as much as digits as its factorization.

56146231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 56146231 is about 7493.0788732003. The cubic root of 56146231 is about 382.9189588274.

The spelling of 56146231 in words is "fifty-six million, one hundred forty-six thousand, two hundred thirty-one".