53171057 has 2 divisors, whose sum is σ = 53171058. Its totient is φ = 53171056.

The previous prime is 53171051. The next prime is 53171059. The reversal of 53171057 is 75017135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52070656 + 1100401 = 7216^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 53171057 - 2⁸ = 53170801 is a prime.

It is a super-2 number, since 2×53171057² = 5654322604994498, which contains 22 as substring.

Together with 53171059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53171051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26585528 + 26585529.

It is an arithmetic number, because the mean of its divisors is an integer number (26585529).

Almost surely, 2^53171057 is an apocalyptic number.

It is an amenable number.

53171057 is a deficient number, since it is larger than the sum of its proper divisors (1).

53171057 is an equidigital number, since it uses as much as digits as its factorization.

53171057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 53171057 is about 7291.8486682048. The cubic root of 53171057 is about 376.0322540047.

The spelling of 53171057 in words is "fifty-three million, one hundred seventy-one thousand, fifty-seven".