56686037 has 2 divisors, whose sum is σ = 56686038. Its totient is φ = 56686036.

The previous prime is 56686031. The next prime is 56686043. The reversal of 56686037 is 73068665.

It is a balanced prime because it is at equal distance from previous prime (56686031) and next prime (56686043).

It can be written as a sum of positive squares in only one way, i.e., 56685841 + 196 = 7529^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 56686037 - 2²⁴ = 39908821 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56685985 and 56686003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56686031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28343018 + 28343019.

It is an arithmetic number, because the mean of its divisors is an integer number (28343019).

Almost surely, 2^56686037 is an apocalyptic number.

It is an amenable number.

56686037 is a deficient number, since it is larger than the sum of its proper divisors (1).

56686037 is an equidigital number, since it uses as much as digits as its factorization.

56686037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 56686037 is about 7529.0130163256. The cubic root of 56686037 is about 384.1422112337.

The spelling of 56686037 in words is "fifty-six million, six hundred eighty-six thousand, thirty-seven".