53050891 has 2 divisors, whose sum is σ = 53050892. Its totient is φ = 53050890.

The previous prime is 53050867. The next prime is 53050909. The reversal of 53050891 is 19805035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53050891 - 2⁹ = 53050379 is a prime.

It is equal to p_3172918 and since 53050891 and 3172918 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (53050841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525445 + 26525446.

It is an arithmetic number, because the mean of its divisors is an integer number (26525446).

Almost surely, 2^53050891 is an apocalyptic number.

53050891 is a deficient number, since it is larger than the sum of its proper divisors (1).

53050891 is an equidigital number, since it uses as much as digits as its factorization.

53050891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 53050891 is about 7283.6042588817. The cubic root of 53050891 is about 375.7487640926.

The spelling of 53050891 in words is "fifty-three million, fifty thousand, eight hundred ninety-one".