56202620237 has 2 divisors, whose sum is σ = 56202620238. Its totient is φ = 56202620236.

The previous prime is 56202620191. The next prime is 56202620239. The reversal of 56202620237 is 73202620265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49382172841 + 6820447396 = 222221^2 + 82586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56202620237 is a prime.

Together with 56202620239, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56202620197 and 56202620206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56202620239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28101310118 + 28101310119.

It is an arithmetic number, because the mean of its divisors is an integer number (28101310119).

Almost surely, 2^56202620237 is an apocalyptic number.

It is an amenable number.

56202620237 is a deficient number, since it is larger than the sum of its proper divisors (1).

56202620237 is an equidigital number, since it uses as much as digits as its factorization.

56202620237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 56202620237 in words is "fifty-six billion, two hundred two million, six hundred twenty thousand, two hundred thirty-seven".