56002237 has 2 divisors, whose sum is σ = 56002238. Its totient is φ = 56002236.

The previous prime is 56002229. The next prime is 56002279. The reversal of 56002237 is 73220065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55264356 + 737881 = 7434^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 56002237 - 2³ = 56002229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56002207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28001118 + 28001119.

It is an arithmetic number, because the mean of its divisors is an integer number (28001119).

Almost surely, 2^56002237 is an apocalyptic number.

It is an amenable number.

56002237 is a deficient number, since it is larger than the sum of its proper divisors (1).

56002237 is an equidigital number, since it uses as much as digits as its factorization.

56002237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 56002237 is about 7483.4642379048. The cubic root of 56002237 is about 382.5913308046.

The spelling of 56002237 in words is "fifty-six million, two thousand, two hundred thirty-seven".