53167091 has 2 divisors, whose sum is σ = 53167092. Its totient is φ = 53167090.

The previous prime is 53167067. The next prime is 53167129. The reversal of 53167091 is 19076135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53167091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53167021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26583545 + 26583546.

It is an arithmetic number, because the mean of its divisors is an integer number (26583546).

Almost surely, 2^53167091 is an apocalyptic number.

53167091 is a deficient number, since it is larger than the sum of its proper divisors (1).

53167091 is an equidigital number, since it uses as much as digits as its factorization.

53167091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 53167091 is about 7291.5767156357. The cubic root of 53167091 is about 376.0229044256.

The spelling of 53167091 in words is "fifty-three million, one hundred sixty-seven thousand, ninety-one".