56547529 has 2 divisors, whose sum is σ = 56547530. Its totient is φ = 56547528.

The previous prime is 56547527. The next prime is 56547551. The reversal of 56547529 is 92574565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38502025 + 18045504 = 6205^2 + 4248^2 .

It is a cyclic number.

It is not a de Polignac number, because 56547529 - 2¹ = 56547527 is a prime.

Together with 56547527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56547521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28273764 + 28273765.

It is an arithmetic number, because the mean of its divisors is an integer number (28273765).

Almost surely, 2^56547529 is an apocalyptic number.

It is an amenable number.

56547529 is a deficient number, since it is larger than the sum of its proper divisors (1).

56547529 is an equidigital number, since it uses as much as digits as its factorization.

56547529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 43.

The square root of 56547529 is about 7519.8091066197. The cubic root of 56547529 is about 383.8290820124.

It can be divided in two parts, 565475 and 29, that added together give a square (565504 = 752²).

The spelling of 56547529 in words is "fifty-six million, five hundred forty-seven thousand, five hundred twenty-nine".