56543353 has 2 divisors, whose sum is σ = 56543354. Its totient is φ = 56543352.

The previous prime is 56543339. The next prime is 56543429. The reversal of 56543353 is 35334565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35676729 + 20866624 = 5973^2 + 4568^2 .

It is a cyclic number.

It is not a de Polignac number, because 56543353 - 2¹³ = 56535161 is a prime.

It is equal to p_3368743 and since 56543353 and 3368743 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (56543153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28271676 + 28271677.

It is an arithmetic number, because the mean of its divisors is an integer number (28271677).

Almost surely, 2^56543353 is an apocalyptic number.

It is an amenable number.

56543353 is a deficient number, since it is larger than the sum of its proper divisors (1).

56543353 is an equidigital number, since it uses as much as digits as its factorization.

56543353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81000, while the sum is 34.

The square root of 56543353 is about 7519.5314348701. The cubic root of 56543353 is about 383.8196332665.

The spelling of 56543353 in words is "fifty-six million, five hundred forty-three thousand, three hundred fifty-three".