53071457 has 2 divisors, whose sum is σ = 53071458. Its totient is φ = 53071456.

The previous prime is 53071441. The next prime is 53071463. The reversal of 53071457 is 75417035.

53071457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52983841 + 87616 = 7279^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 53071457 - 2⁴ = 53071441 is a prime.

It is not a weakly prime, because it can be changed into another prime (53071477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26535728 + 26535729.

It is an arithmetic number, because the mean of its divisors is an integer number (26535729).

Almost surely, 2^53071457 is an apocalyptic number.

It is an amenable number.

53071457 is a deficient number, since it is larger than the sum of its proper divisors (1).

53071457 is an equidigital number, since it uses as much as digits as its factorization.

53071457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 53071457 is about 7285.0159231123. The cubic root of 53071457 is about 375.7973127634.

The spelling of 53071457 in words is "fifty-three million, seventy-one thousand, four hundred fifty-seven".