56166497 has 2 divisors, whose sum is σ = 56166498. Its totient is φ = 56166496.

The previous prime is 56166493. The next prime is 56166499. The reversal of 56166497 is 79466165.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52983841 + 3182656 = 7279^2 + 1784^2 .

It is a cyclic number.

It is not a de Polignac number, because 56166497 - 2² = 56166493 is a prime.

Together with 56166499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56166493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28083248 + 28083249.

It is an arithmetic number, because the mean of its divisors is an integer number (28083249).

Almost surely, 2^56166497 is an apocalyptic number.

It is an amenable number.

56166497 is a deficient number, since it is larger than the sum of its proper divisors (1).

56166497 is an equidigital number, since it uses as much as digits as its factorization.

56166497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 56166497 is about 7494.4310657981. The cubic root of 56166497 is about 382.9650248588.

The spelling of 56166497 in words is "fifty-six million, one hundred sixty-six thousand, four hundred ninety-seven".