56893729 has 2 divisors, whose sum is σ = 56893730. Its totient is φ = 56893728.

The previous prime is 56893723. The next prime is 56893799. The reversal of 56893729 is 92739865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35521600 + 21372129 = 5960^2 + 4623^2 .

It is a cyclic number.

It is not a de Polignac number, because 56893729 - 2¹³ = 56885537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56893723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28446864 + 28446865.

It is an arithmetic number, because the mean of its divisors is an integer number (28446865).

Almost surely, 2^56893729 is an apocalyptic number.

It is an amenable number.

56893729 is a deficient number, since it is larger than the sum of its proper divisors (1).

56893729 is an equidigital number, since it uses as much as digits as its factorization.

56893729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 56893729 is about 7542.7931828998. The cubic root of 56893729 is about 384.6107923688.

The spelling of 56893729 in words is "fifty-six million, eight hundred ninety-three thousand, seven hundred twenty-nine".