56827637 has 2 divisors, whose sum is σ = 56827638. Its totient is φ = 56827636.

The previous prime is 56827579. The next prime is 56827703. The reversal of 56827637 is 73672865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32364721 + 24462916 = 5689^2 + 4946^2 .

It is a cyclic number.

It is not a de Polignac number, because 56827637 - 2¹⁰ = 56826613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56827937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28413818 + 28413819.

It is an arithmetic number, because the mean of its divisors is an integer number (28413819).

Almost surely, 2^56827637 is an apocalyptic number.

It is an amenable number.

56827637 is a deficient number, since it is larger than the sum of its proper divisors (1).

56827637 is an equidigital number, since it uses as much as digits as its factorization.

56827637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 56827637 is about 7538.4107741619. The cubic root of 56827637 is about 384.4618037987.

The spelling of 56827637 in words is "fifty-six million, eight hundred twenty-seven thousand, six hundred thirty-seven".