56156162597 has 2 divisors, whose sum is σ = 56156162598. Its totient is φ = 56156162596.

The previous prime is 56156162549. The next prime is 56156162599. The reversal of 56156162597 is 79526165165.

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., 51181822756 + 4974339841 = 226234^2 + 70529^2 .

It is a cyclic number.

It is not a de Polignac number, because 56156162597 - 2¹⁴ = 56156146213 is a prime.

Together with 56156162599, 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 (56156162599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28078081298 + 28078081299.

It is an arithmetic number, because the mean of its divisors is an integer number (28078081299).

Almost surely, 2^56156162597 is an apocalyptic number.

It is an amenable number.

56156162597 is a deficient number, since it is larger than the sum of its proper divisors (1).

56156162597 is an equidigital number, since it uses as much as digits as its factorization.

56156162597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402000, while the sum is 53.

The spelling of 56156162597 in words is "fifty-six billion, one hundred fifty-six million, one hundred sixty-two thousand, five hundred ninety-seven".