53051291 has 2 divisors, whose sum is σ = 53051292. Its totient is φ = 53051290.

The previous prime is 53051269. The next prime is 53051321. The reversal of 53051291 is 19215035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53051291 - 2⁶ = 53051227 is a prime.

It is a super-4 number, since 4×53051291⁴ (a number of 32 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_3172940 and since 53051291 and 3172940 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53051291.

It is not a weakly prime, because it can be changed into another prime (53051221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525645 + 26525646.

It is an arithmetic number, because the mean of its divisors is an integer number (26525646).

Almost surely, 2^53051291 is an apocalyptic number.

53051291 is a deficient number, since it is larger than the sum of its proper divisors (1).

53051291 is an equidigital number, since it uses as much as digits as its factorization.

53051291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 53051291 is about 7283.6317177628. The cubic root of 53051291 is about 375.7497084634.

The spelling of 53051291 in words is "fifty-three million, fifty-one thousand, two hundred ninety-one".