56770237 has 2 divisors, whose sum is σ = 56770238. Its totient is φ = 56770236.

The previous prime is 56770229. The next prime is 56770253. The reversal of 56770237 is 73207765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28955161 + 27815076 = 5381^2 + 5274^2 .

It is a cyclic number.

It is not a de Polignac number, because 56770237 - 2³ = 56770229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56770196 and 56770205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56770267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28385118 + 28385119.

It is an arithmetic number, because the mean of its divisors is an integer number (28385119).

Almost surely, 2^56770237 is an apocalyptic number.

It is an amenable number.

56770237 is a deficient number, since it is larger than the sum of its proper divisors (1).

56770237 is an equidigital number, since it uses as much as digits as its factorization.

56770237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 56770237 is about 7534.6026438028. The cubic root of 56770237 is about 384.3323155016.

The spelling of 56770237 in words is "fifty-six million, seven hundred seventy thousand, two hundred thirty-seven".