52530545 has 8 divisors (see below), whose sum is σ = 63210624. Its totient is φ = 41908464.

The previous prime is 52530509. The next prime is 52530587. The reversal of 52530545 is 54503525.

It is a happy number.

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

It is not a de Polignac number, because 52530545 - 2¹² = 52526449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12479 + ... + 16148.

It is an arithmetic number, because the mean of its divisors is an integer number (7901328).

Almost surely, 2^52530545 is an apocalyptic number.

It is an amenable number.

52530545 is a deficient number, since it is larger than the sum of its proper divisors (10680079).

52530545 is a wasteful number, since it uses less digits than its factorization.

52530545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28999.

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

The square root of 52530545 is about 7247.7958718496. The cubic root of 52530545 is about 374.5162235701.

The spelling of 52530545 in words is "fifty-two million, five hundred thirty thousand, five hundred forty-five".