56895913 has 2 divisors, whose sum is σ = 56895914. Its totient is φ = 56895912.

The previous prime is 56895911. The next prime is 56895947. The reversal of 56895913 is 31959865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31775769 + 25120144 = 5637^2 + 5012^2 .

It is a cyclic number.

It is not a de Polignac number, because 56895913 - 2¹ = 56895911 is a prime.

It is a super-2 number, since 2×56895913² = 6474289832207138, which contains 22 as substring.

Together with 56895911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56895911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28447956 + 28447957.

It is an arithmetic number, because the mean of its divisors is an integer number (28447957).

Almost surely, 2^56895913 is an apocalyptic number.

It is an amenable number.

56895913 is a deficient number, since it is larger than the sum of its proper divisors (1).

56895913 is an equidigital number, since it uses as much as digits as its factorization.

56895913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 46.

The square root of 56895913 is about 7542.9379554654. The cubic root of 56895913 is about 384.6157137033.

The spelling of 56895913 in words is "fifty-six million, eight hundred ninety-five thousand, nine hundred thirteen".