52902985 has 4 divisors (see below), whose sum is σ = 63483588. Its totient is φ = 42322384.

The previous prime is 52902979. The next prime is 52903003. The reversal of 52902985 is 58920925.

52902985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29127609 + 23775376 = 5397^2 + 4876^2 .

It is a cyclic number.

It is not a de Polignac number, because 52902985 - 2²³ = 44514377 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5290294 + ... + 5290303.

It is an arithmetic number, because the mean of its divisors is an integer number (15870897).

Almost surely, 2^52902985 is an apocalyptic number.

It is an amenable number.

52902985 is a deficient number, since it is larger than the sum of its proper divisors (10580603).

52902985 is a wasteful number, since it uses less digits than its factorization.

52902985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10580602.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 52902985 is about 7273.4438198147. The cubic root of 52902985 is about 375.3992429442.

The spelling of 52902985 in words is "fifty-two million, nine hundred two thousand, nine hundred eighty-five".