53427511 has 2 divisors, whose sum is σ = 53427512. Its totient is φ = 53427510.

The previous prime is 53427461. The next prime is 53427523. The reversal of 53427511 is 11572435.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53427511 - 2¹³ = 53419319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53427511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53427211) 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, 26713755 + 26713756.

It is an arithmetic number, because the mean of its divisors is an integer number (26713756).

Almost surely, 2^53427511 is an apocalyptic number.

53427511 is a deficient number, since it is larger than the sum of its proper divisors (1).

53427511 is an equidigital number, since it uses as much as digits as its factorization.

53427511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 53427511 is about 7309.4124934908. The cubic root of 53427511 is about 376.6358427104.

Adding to 53427511 its reverse (11572435), we get a palindrome (64999946).

The spelling of 53427511 in words is "fifty-three million, four hundred twenty-seven thousand, five hundred eleven".