53457343 has 2 divisors, whose sum is σ = 53457344. Its totient is φ = 53457342.

The previous prime is 53457281. The next prime is 53457373. The reversal of 53457343 is 34375435.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53457343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53457299 and 53457308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53457373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26728671 + 26728672.

It is an arithmetic number, because the mean of its divisors is an integer number (26728672).

Almost surely, 2^53457343 is an apocalyptic number.

53457343 is a deficient number, since it is larger than the sum of its proper divisors (1).

53457343 is an equidigital number, since it uses as much as digits as its factorization.

53457343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 34.

The square root of 53457343 is about 7311.4528651972. The cubic root of 53457343 is about 376.7059296356.

The spelling of 53457343 in words is "fifty-three million, four hundred fifty-seven thousand, three hundred forty-three".