57010729 has 2 divisors, whose sum is σ = 57010730. Its totient is φ = 57010728.

The previous prime is 57010727. The next prime is 57010753. The reversal of 57010729 is 92701075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45968400 + 11042329 = 6780^2 + 3323^2 .

It is a cyclic number.

It is not a de Polignac number, because 57010729 - 2¹ = 57010727 is a prime.

It is a super-2 number, since 2×57010729² = 6500446442222882, which contains 22 as substring.

Together with 57010727, it forms a pair of twin primes.

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 57010729.

It is not a weakly prime, because it can be changed into another prime (57010727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28505364 + 28505365.

It is an arithmetic number, because the mean of its divisors is an integer number (28505365).

Almost surely, 2^57010729 is an apocalyptic number.

It is an amenable number.

57010729 is a deficient number, since it is larger than the sum of its proper divisors (1).

57010729 is an equidigital number, since it uses as much as digits as its factorization.

57010729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 57010729 is about 7550.5449472207. The cubic root of 57010729 is about 384.8742581442.

The spelling of 57010729 in words is "fifty-seven million, ten thousand, seven hundred twenty-nine".