56167549 has 2 divisors, whose sum is σ = 56167550. Its totient is φ = 56167548.

The previous prime is 56167513. The next prime is 56167583. The reversal of 56167549 is 94576165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56145049 + 22500 = 7493^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 56167549 - 2⁹ = 56167037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56167049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28083774 + 28083775.

It is an arithmetic number, because the mean of its divisors is an integer number (28083775).

Almost surely, 2^56167549 is an apocalyptic number.

It is an amenable number.

56167549 is a deficient number, since it is larger than the sum of its proper divisors (1).

56167549 is an equidigital number, since it uses as much as digits as its factorization.

56167549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The square root of 56167549 is about 7494.5012509172. The cubic root of 56167549 is about 382.9674158256.

The spelling of 56167549 in words is "fifty-six million, one hundred sixty-seven thousand, five hundred forty-nine".