56536757 has 2 divisors, whose sum is σ = 56536758. Its totient is φ = 56536756.

The previous prime is 56536687. The next prime is 56536793. The reversal of 56536757 is 75763565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52432081 + 4104676 = 7241^2 + 2026^2 .

It is a cyclic number.

It is not a de Polignac number, because 56536757 - 2¹⁰ = 56535733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56536657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28268378 + 28268379.

It is an arithmetic number, because the mean of its divisors is an integer number (28268379).

Almost surely, 2^56536757 is an apocalyptic number.

It is an amenable number.

56536757 is a deficient number, since it is larger than the sum of its proper divisors (1).

56536757 is an equidigital number, since it uses as much as digits as its factorization.

56536757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 661500, while the sum is 44.

The square root of 56536757 is about 7519.0928309205. The cubic root of 56536757 is about 383.8047080064.

The spelling of 56536757 in words is "fifty-six million, five hundred thirty-six thousand, seven hundred fifty-seven".