52503545 has 8 divisors (see below), whose sum is σ = 63945024. Its totient is φ = 41375664.

The previous prime is 52503541. The next prime is 52503557. The reversal of 52503545 is 54530525.

It is a happy number.

52503545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52503545 - 2² = 52503541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52503541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78029 + ... + 78698.

It is an arithmetic number, because the mean of its divisors is an integer number (7993128).

Almost surely, 2^52503545 is an apocalyptic number.

It is an amenable number.

52503545 is a deficient number, since it is larger than the sum of its proper divisors (11441479).

52503545 is a wasteful number, since it uses less digits than its factorization.

52503545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156799.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 52503545 is about 7245.9329972061. The cubic root of 52503545 is about 374.4520471244.

The spelling of 52503545 in words is "fifty-two million, five hundred three thousand, five hundred forty-five".