56002831 has 2 divisors, whose sum is σ = 56002832. Its totient is φ = 56002830.

The previous prime is 56002789. The next prime is 56002901. The reversal of 56002831 is 13820065.

It is a happy number.

56002831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56002831 - 2⁹ = 56002319 is a prime.

It is a super-2 number, since 2×56002831² = 6272634160029122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56002796 and 56002805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56002931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28001415 + 28001416.

It is an arithmetic number, because the mean of its divisors is an integer number (28001416).

Almost surely, 2^56002831 is an apocalyptic number.

56002831 is a deficient number, since it is larger than the sum of its proper divisors (1).

56002831 is an equidigital number, since it uses as much as digits as its factorization.

56002831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 56002831 is about 7483.5039253013. The cubic root of 56002831 is about 382.5926834794.

Adding to 56002831 its reverse (13820065), we get a palindrome (69822896).

The spelling of 56002831 in words is "fifty-six million, two thousand, eight hundred thirty-one".