56288549 has 2 divisors, whose sum is σ = 56288550. Its totient is φ = 56288548.

The previous prime is 56288539. The next prime is 56288579. The reversal of 56288549 is 94588265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51696100 + 4592449 = 7190^2 + 2143^2 .

It is a cyclic number.

It is not a de Polignac number, because 56288549 - 2²⁴ = 39511333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56288539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28144274 + 28144275.

It is an arithmetic number, because the mean of its divisors is an integer number (28144275).

Almost surely, 2^56288549 is an apocalyptic number.

It is an amenable number.

56288549 is a deficient number, since it is larger than the sum of its proper divisors (1).

56288549 is an equidigital number, since it uses as much as digits as its factorization.

56288549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 47.

The square root of 56288549 is about 7502.5694931803. The cubic root of 56288549 is about 383.2422235055.

The spelling of 56288549 in words is "fifty-six million, two hundred eighty-eight thousand, five hundred forty-nine".