53171051 has 2 divisors, whose sum is σ = 53171052. Its totient is φ = 53171050.

The previous prime is 53171039. The next prime is 53171057. The reversal of 53171051 is 15017135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53171051 - 2¹⁰ = 53170027 is a prime.

It is not a weakly prime, because it can be changed into another prime (53171057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26585525 + 26585526.

It is an arithmetic number, because the mean of its divisors is an integer number (26585526).

Almost surely, 2^53171051 is an apocalyptic number.

53171051 is a deficient number, since it is larger than the sum of its proper divisors (1).

53171051 is an equidigital number, since it uses as much as digits as its factorization.

53171051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 53171051 is about 7291.8482567865. The cubic root of 53171051 is about 376.0322398604.

Adding to 53171051 its reverse (15017135), we get a palindrome (68188186).

The spelling of 53171051 in words is "fifty-three million, one hundred seventy-one thousand, fifty-one".