56868829 has 2 divisors, whose sum is σ = 56868830. Its totient is φ = 56868828.

The previous prime is 56868821. The next prime is 56868853. The reversal of 56868829 is 92886865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49702500 + 7166329 = 7050^2 + 2677^2 .

It is a cyclic number.

It is not a de Polignac number, because 56868829 - 2³ = 56868821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56868821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28434414 + 28434415.

It is an arithmetic number, because the mean of its divisors is an integer number (28434415).

Almost surely, 2^56868829 is an apocalyptic number.

It is an amenable number.

56868829 is a deficient number, since it is larger than the sum of its proper divisors (1).

56868829 is an equidigital number, since it uses as much as digits as its factorization.

56868829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 52.

The square root of 56868829 is about 7541.1424200846. The cubic root of 56868829 is about 384.5546748413.

The spelling of 56868829 in words is "fifty-six million, eight hundred sixty-eight thousand, eight hundred twenty-nine".