56000237 has 2 divisors, whose sum is σ = 56000238. Its totient is φ = 56000236.

The previous prime is 56000221. The next prime is 56000249. The reversal of 56000237 is 73200065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55741156 + 259081 = 7466^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 56000237 - 2⁴ = 56000221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56000267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28000118 + 28000119.

It is an arithmetic number, because the mean of its divisors is an integer number (28000119).

Almost surely, 2^56000237 is an apocalyptic number.

It is an amenable number.

56000237 is a deficient number, since it is larger than the sum of its proper divisors (1).

56000237 is an equidigital number, since it uses as much as digits as its factorization.

56000237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 56000237 is about 7483.3306087597. The cubic root of 56000237 is about 382.5867762736.

The spelling of 56000237 in words is "fifty-six million, two hundred thirty-seven", and thus it is an aban number.