56260331 has 2 divisors, whose sum is σ = 56260332. Its totient is φ = 56260330.

The previous prime is 56260307. The next prime is 56260339. The reversal of 56260331 is 13306265.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56260331 is a prime.

It is a super-2 number, since 2×56260331² = 6330449688459122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56260331.

It is not a weakly prime, because it can be changed into another prime (56260339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28130165 + 28130166.

It is an arithmetic number, because the mean of its divisors is an integer number (28130166).

Almost surely, 2^56260331 is an apocalyptic number.

56260331 is a deficient number, since it is larger than the sum of its proper divisors (1).

56260331 is an equidigital number, since it uses as much as digits as its factorization.

56260331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 56260331 is about 7500.6887017127. The cubic root of 56260331 is about 383.1781717764.

Adding to 56260331 its reverse (13306265), we get a palindrome (69566596).

The spelling of 56260331 in words is "fifty-six million, two hundred sixty thousand, three hundred thirty-one".