56837087 has 2 divisors, whose sum is σ = 56837088. Its totient is φ = 56837086.

The previous prime is 56837083. The next prime is 56837089. The reversal of 56837087 is 78073865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56837087 - 2² = 56837083 is a prime.

Together with 56837089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56837083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28418543 + 28418544.

It is an arithmetic number, because the mean of its divisors is an integer number (28418544).

Almost surely, 2^56837087 is an apocalyptic number.

56837087 is a deficient number, since it is larger than the sum of its proper divisors (1).

56837087 is an equidigital number, since it uses as much as digits as its factorization.

56837087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 56837087 is about 7539.0375380416. The cubic root of 56837087 is about 384.4831136335.

The spelling of 56837087 in words is "fifty-six million, eight hundred thirty-seven thousand, eighty-seven".