56984549 has 2 divisors, whose sum is σ = 56984550. Its totient is φ = 56984548.

The previous prime is 56984497. The next prime is 56984567. The reversal of 56984549 is 94548965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29757025 + 27227524 = 5455^2 + 5218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56984549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56984497 and 56984506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56984569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28492274 + 28492275.

It is an arithmetic number, because the mean of its divisors is an integer number (28492275).

Almost surely, 2^56984549 is an apocalyptic number.

It is an amenable number.

56984549 is a deficient number, since it is larger than the sum of its proper divisors (1).

56984549 is an equidigital number, since it uses as much as digits as its factorization.

56984549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 50.

The square root of 56984549 is about 7548.8110984446. The cubic root of 56984549 is about 384.8153361893.

The spelling of 56984549 in words is "fifty-six million, nine hundred eighty-four thousand, five hundred forty-nine".