52028545 has 8 divisors (see below), whose sum is σ = 62473896. Its totient is φ = 41596416.

The previous prime is 52028533. The next prime is 52028573. The reversal of 52028545 is 54582025.

It can be written as a sum of positive squares in 4 ways, for example, as 14684224 + 37344321 = 3832^2 + 6111^2 .

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 52028545 - 2⁵ = 52028513 is a prime.

It is a Duffinian number.

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, 10959 + ... + 14971.

It is an arithmetic number, because the mean of its divisors is an integer number (7809237).

Almost surely, 2^52028545 is an apocalyptic number.

It is an amenable number.

52028545 is a deficient number, since it is larger than the sum of its proper divisors (10445351).

52028545 is a wasteful number, since it uses less digits than its factorization.

52028545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 52028545 is about 7213.0815190181. The cubic root of 52028545 is about 373.3194009646.

The spelling of 52028545 in words is "fifty-two million, twenty-eight thousand, five hundred forty-five".