53001911 has 2 divisors, whose sum is σ = 53001912. Its totient is φ = 53001910.

The previous prime is 53001899. The next prime is 53001917. The reversal of 53001911 is 11910035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53001911 - 2¹⁸ = 52739767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53001917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26500955 + 26500956.

It is an arithmetic number, because the mean of its divisors is an integer number (26500956).

Almost surely, 2^53001911 is an apocalyptic number.

53001911 is a deficient number, since it is larger than the sum of its proper divisors (1).

53001911 is an equidigital number, since it uses as much as digits as its factorization.

53001911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 53001911 is about 7280.2411361163. The cubic root of 53001911 is about 375.6330899981.

Adding to 53001911 its reverse (11910035), we get a palindrome (64911946).

The spelling of 53001911 in words is "fifty-three million, one thousand, nine hundred eleven".