53002091 has 2 divisors, whose sum is σ = 53002092. Its totient is φ = 53002090.

The previous prime is 53002063. The next prime is 53002109. The reversal of 53002091 is 19020035.

Together with next prime (53002109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53002091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53002031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26501045 + 26501046.

It is an arithmetic number, because the mean of its divisors is an integer number (26501046).

Almost surely, 2^53002091 is an apocalyptic number.

53002091 is a deficient number, since it is larger than the sum of its proper divisors (1).

53002091 is an equidigital number, since it uses as much as digits as its factorization.

53002091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 53002091 is about 7280.2534983337. The cubic root of 53002091 is about 375.6335152273.

The spelling of 53002091 in words is "fifty-three million, two thousand, ninety-one".