53011523 has 2 divisors, whose sum is σ = 53011524. Its totient is φ = 53011522.

The previous prime is 53011513. The next prime is 53011531. The reversal of 53011523 is 32511035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53011523 - 2⁶ = 53011459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53011495 and 53011504.

It is not a weakly prime, because it can be changed into another prime (53011513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26505761 + 26505762.

It is an arithmetic number, because the mean of its divisors is an integer number (26505762).

Almost surely, 2^53011523 is an apocalyptic number.

53011523 is a deficient number, since it is larger than the sum of its proper divisors (1).

53011523 is an equidigital number, since it uses as much as digits as its factorization.

53011523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 53011523 is about 7280.9012491587. The cubic root of 53011523 is about 375.6557958902.

Adding to 53011523 its reverse (32511035), we get a palindrome (85522558).

The spelling of 53011523 in words is "fifty-three million, eleven thousand, five hundred twenty-three".