56119897 has 2 divisors, whose sum is σ = 56119898. Its totient is φ = 56119896.

The previous prime is 56119879. The next prime is 56119909. The reversal of 56119897 is 79891165.

It is a happy number.

Together with previous prime (56119879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48385936 + 7733961 = 6956^2 + 2781^2 .

It is a cyclic number.

It is not a de Polignac number, because 56119897 - 2⁷ = 56119769 is a prime.

It is not a weakly prime, because it can be changed into another prime (56119867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28059948 + 28059949.

It is an arithmetic number, because the mean of its divisors is an integer number (28059949).

Almost surely, 2^56119897 is an apocalyptic number.

It is an amenable number.

56119897 is a deficient number, since it is larger than the sum of its proper divisors (1).

56119897 is an equidigital number, since it uses as much as digits as its factorization.

56119897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 46.

The square root of 56119897 is about 7491.3214455128. The cubic root of 56119897 is about 382.8590832453.

The spelling of 56119897 in words is "fifty-six million, one hundred nineteen thousand, eight hundred ninety-seven".