53169967 has 2 divisors, whose sum is σ = 53169968. Its totient is φ = 53169966.

The previous prime is 53169943. The next prime is 53170001. The reversal of 53169967 is 76996135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53169967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53169917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26584983 + 26584984.

It is an arithmetic number, because the mean of its divisors is an integer number (26584984).

Almost surely, 2^53169967 is an apocalyptic number.

53169967 is a deficient number, since it is larger than the sum of its proper divisors (1).

53169967 is an equidigital number, since it uses as much as digits as its factorization.

53169967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 46.

The square root of 53169967 is about 7291.7739268302. The cubic root of 53169967 is about 376.0296844491.

The spelling of 53169967 in words is "fifty-three million, one hundred sixty-nine thousand, nine hundred sixty-seven".