53197523 has 2 divisors, whose sum is σ = 53197524. Its totient is φ = 53197522.

The previous prime is 53197489. The next prime is 53197537. The reversal of 53197523 is 32579135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53197523 - 2¹⁰ = 53196499 is a prime.

It is not a weakly prime, because it can be changed into another prime (53197583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26598761 + 26598762.

It is an arithmetic number, because the mean of its divisors is an integer number (26598762).

Almost surely, 2^53197523 is an apocalyptic number.

53197523 is a deficient number, since it is larger than the sum of its proper divisors (1).

53197523 is an equidigital number, since it uses as much as digits as its factorization.

53197523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28350, while the sum is 35.

The square root of 53197523 is about 7293.6632085667. The cubic root of 53197523 is about 376.0946339248.

The spelling of 53197523 in words is "fifty-three million, one hundred ninety-seven thousand, five hundred twenty-three".