56355031 has 2 divisors, whose sum is σ = 56355032. Its totient is φ = 56355030.

The previous prime is 56354957. The next prime is 56355041. The reversal of 56355031 is 13055365.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56355031 is a prime.

It is a super-2 number, since 2×56355031² = 6351779038021922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56355041) 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, 28177515 + 28177516.

It is an arithmetic number, because the mean of its divisors is an integer number (28177516).

Almost surely, 2^56355031 is an apocalyptic number.

56355031 is a deficient number, since it is larger than the sum of its proper divisors (1).

56355031 is an equidigital number, since it uses as much as digits as its factorization.

56355031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 56355031 is about 7506.9988011189. The cubic root of 56355031 is about 383.3930456865.

The spelling of 56355031 in words is "fifty-six million, three hundred fifty-five thousand, thirty-one".