52545523 has 2 divisors, whose sum is σ = 52545524. Its totient is φ = 52545522.

The previous prime is 52545509. The next prime is 52545539. The reversal of 52545523 is 32554525.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52545523 - 2⁵ = 52545491 is a prime.

It is a super-2 number, since 2×52545523² = 5522063974687058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52548523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26272761 + 26272762.

It is an arithmetic number, because the mean of its divisors is an integer number (26272762).

Almost surely, 2^52545523 is an apocalyptic number.

52545523 is a deficient number, since it is larger than the sum of its proper divisors (1).

52545523 is an equidigital number, since it uses as much as digits as its factorization.

52545523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30000, while the sum is 31.

The square root of 52545523 is about 7248.8290778580. The cubic root of 52545523 is about 374.5518153763.

The spelling of 52545523 in words is "fifty-two million, five hundred forty-five thousand, five hundred twenty-three".