56170559 has 2 divisors, whose sum is σ = 56170560. Its totient is φ = 56170558.

The previous prime is 56170549. The next prime is 56170561. The reversal of 56170559 is 95507165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56170559 - 2¹² = 56166463 is a prime.

Together with 56170561, 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 (56170519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28085279 + 28085280.

It is an arithmetic number, because the mean of its divisors is an integer number (28085280).

Almost surely, 2^56170559 is an apocalyptic number.

56170559 is a deficient number, since it is larger than the sum of its proper divisors (1).

56170559 is an equidigital number, since it uses as much as digits as its factorization.

56170559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 56170559 is about 7494.7020621236. The cubic root of 56170559 is about 382.9742567349.

The spelling of 56170559 in words is "fifty-six million, one hundred seventy thousand, five hundred fifty-nine".