56210501 has 2 divisors, whose sum is σ = 56210502. Its totient is φ = 56210500.

The previous prime is 56210489. The next prime is 56210527. The reversal of 56210501 is 10501265.

56210501 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 can be written as a sum of positive squares in only one way, i.e., 39816100 + 16394401 = 6310^2 + 4049^2 .

It is a cyclic number.

It is not a de Polignac number, because 56210501 - 2¹⁸ = 55948357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56210591) 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, 28105250 + 28105251.

It is an arithmetic number, because the mean of its divisors is an integer number (28105251).

Almost surely, 2^56210501 is an apocalyptic number.

It is an amenable number.

56210501 is a deficient number, since it is larger than the sum of its proper divisors (1).

56210501 is an equidigital number, since it uses as much as digits as its factorization.

56210501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 56210501 is about 7497.3662708981. The cubic root of 56210501 is about 383.0650108815.

Adding to 56210501 its reverse (10501265), we get a palindrome (66711766).

The spelling of 56210501 in words is "fifty-six million, two hundred ten thousand, five hundred one".