56825729 has 2 divisors, whose sum is σ = 56825730. Its totient is φ = 56825728.

The previous prime is 56825707. The next prime is 56825771. The reversal of 56825729 is 92752865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41576704 + 15249025 = 6448^2 + 3905^2 .

It is a cyclic number.

It is not a de Polignac number, because 56825729 - 2⁸ = 56825473 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56825729.

It is not a weakly prime, because it can be changed into another prime (56825129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28412864 + 28412865.

It is an arithmetic number, because the mean of its divisors is an integer number (28412865).

Almost surely, 2^56825729 is an apocalyptic number.

It is an amenable number.

56825729 is a deficient number, since it is larger than the sum of its proper divisors (1).

56825729 is an equidigital number, since it uses as much as digits as its factorization.

56825729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 44.

The square root of 56825729 is about 7538.2842212270. The cubic root of 56825729 is about 384.4575009549.

It can be divided in two parts, 5682 and 5729, that added together give a palindrome (11411).

The spelling of 56825729 in words is "fifty-six million, eight hundred twenty-five thousand, seven hundred twenty-nine".