53143873 has 2 divisors, whose sum is σ = 53143874. Its totient is φ = 53143872.

The previous prime is 53143843. The next prime is 53143891. The reversal of 53143873 is 37834135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47224384 + 5919489 = 6872^2 + 2433^2 .

It is a cyclic number.

It is not a de Polignac number, because 53143873 - 2⁵ = 53143841 is a prime.

It is not a weakly prime, because it can be changed into another prime (53143843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26571936 + 26571937.

It is an arithmetic number, because the mean of its divisors is an integer number (26571937).

Almost surely, 2^53143873 is an apocalyptic number.

It is an amenable number.

53143873 is a deficient number, since it is larger than the sum of its proper divisors (1).

53143873 is an equidigital number, since it uses as much as digits as its factorization.

53143873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 53143873 is about 7289.9844307104. The cubic root of 53143873 is about 375.9681602170.

The spelling of 53143873 in words is "fifty-three million, one hundred forty-three thousand, eight hundred seventy-three".