53169943 has 2 divisors, whose sum is σ = 53169944. Its totient is φ = 53169942.

The previous prime is 53169937. The next prime is 53169967. The reversal of 53169943 is 34996135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53169943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53169896 and 53169905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53169913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26584971 + 26584972.

It is an arithmetic number, because the mean of its divisors is an integer number (26584972).

Almost surely, 2^53169943 is an apocalyptic number.

53169943 is a deficient number, since it is larger than the sum of its proper divisors (1).

53169943 is an equidigital number, since it uses as much as digits as its factorization.

53169943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 53169943 is about 7291.7722811399. The cubic root of 53169943 is about 376.0296278713.

The spelling of 53169943 in words is "fifty-three million, one hundred sixty-nine thousand, nine hundred forty-three".