56143597 has 2 divisors, whose sum is σ = 56143598. Its totient is φ = 56143596.

The previous prime is 56143579. The next prime is 56143627. The reversal of 56143597 is 79534165.

Together with previous prime (56143579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40627876 + 15515721 = 6374^2 + 3939^2 .

It is a cyclic number.

It is not a de Polignac number, because 56143597 - 2¹¹ = 56141549 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 (56143547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28071798 + 28071799.

It is an arithmetic number, because the mean of its divisors is an integer number (28071799).

Almost surely, 2^56143597 is an apocalyptic number.

It is an amenable number.

56143597 is a deficient number, since it is larger than the sum of its proper divisors (1).

56143597 is an equidigital number, since it uses as much as digits as its factorization.

56143597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 56143597 is about 7492.9031089425. The cubic root of 56143597 is about 382.9129707477.

The spelling of 56143597 in words is "fifty-six million, one hundred forty-three thousand, five hundred ninety-seven".