53073143 has 2 divisors, whose sum is σ = 53073144. Its totient is φ = 53073142.

The previous prime is 53073127. The next prime is 53073151. The reversal of 53073143 is 34137035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53073143 - 2⁴ = 53073127 is a prime.

It is equal to p_3174155 and since 53073143 and 3174155 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53073043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26536571 + 26536572.

It is an arithmetic number, because the mean of its divisors is an integer number (26536572).

Almost surely, 2^53073143 is an apocalyptic number.

53073143 is a deficient number, since it is larger than the sum of its proper divisors (1).

53073143 is an equidigital number, since it uses as much as digits as its factorization.

53073143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 53073143 is about 7285.1316391675. The cubic root of 53073143 is about 375.8012922255.

The spelling of 53073143 in words is "fifty-three million, seventy-three thousand, one hundred forty-three".