56548529 has 2 divisors, whose sum is σ = 56548530. Its totient is φ = 56548528.

The previous prime is 56548523. The next prime is 56548561. The reversal of 56548529 is 92584565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40347904 + 16200625 = 6352^2 + 4025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56548529 is a prime.

It is a super-2 number, since 2×56548529² = 6395472264127682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56548529.

It is not a weakly prime, because it can be changed into another prime (56548523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28274264 + 28274265.

It is an arithmetic number, because the mean of its divisors is an integer number (28274265).

Almost surely, 2^56548529 is an apocalyptic number.

It is an amenable number.

56548529 is a deficient number, since it is larger than the sum of its proper divisors (1).

56548529 is an equidigital number, since it uses as much as digits as its factorization.

56548529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 44.

The square root of 56548529 is about 7519.8755973753. The cubic root of 56548529 is about 383.8313445741.

It can be divided in two parts, 565 and 48529, that added together give a palindrome (49094).

The spelling of 56548529 in words is "fifty-six million, five hundred forty-eight thousand, five hundred twenty-nine".