52523545 has 8 divisors (see below), whose sum is σ = 63826560. Its totient is φ = 41486640.

The previous prime is 52523531. The next prime is 52523561. The reversal of 52523545 is 54532525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-52523545 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 66091 + ... + 66880.

It is an arithmetic number, because the mean of its divisors is an integer number (7978320).

Almost surely, 2^52523545 is an apocalyptic number.

It is an amenable number.

52523545 is a deficient number, since it is larger than the sum of its proper divisors (11303015).

52523545 is a wasteful number, since it uses less digits than its factorization.

52523545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133055.

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

The square root of 52523545 is about 7247.3129503286. The cubic root of 52523545 is about 374.4995873443.

The spelling of 52523545 in words is "fifty-two million, five hundred twenty-three thousand, five hundred forty-five".