53143319 has 2 divisors, whose sum is σ = 53143320. Its totient is φ = 53143318.

The previous prime is 53143303. The next prime is 53143333. The reversal of 53143319 is 91334135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53143319 - 2⁴ = 53143303 is a prime.

It is a super-2 number, since 2×53143319² = 5648424708671522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53143291 and 53143300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53143219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26571659 + 26571660.

It is an arithmetic number, because the mean of its divisors is an integer number (26571660).

Almost surely, 2^53143319 is an apocalyptic number.

53143319 is a deficient number, since it is larger than the sum of its proper divisors (1).

53143319 is an equidigital number, since it uses as much as digits as its factorization.

53143319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 29.

The square root of 53143319 is about 7289.9464332737. The cubic root of 53143319 is about 375.9668537817.

The spelling of 53143319 in words is "fifty-three million, one hundred forty-three thousand, three hundred nineteen".