52985616 has 80 divisors (see below), whose sum is σ = 141062400. Its totient is φ = 17132544.

The previous prime is 52985573. The next prime is 52985633. The reversal of 52985616 is 61658925.

52985616 is nontrivially palindromic in base 11.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337410 + ... + 337566.

It is an arithmetic number, because the mean of its divisors is an integer number (1763280).

Almost surely, 2^52985616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52985616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70531200).

52985616 is an abundant number, since it is smaller than the sum of its proper divisors (88076784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52985616 is a wasteful number, since it uses less digits than its factorization.

52985616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 330 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 52985616 is about 7279.1219250676. The cubic root of 52985616 is about 375.5945909549.

The spelling of 52985616 in words is "fifty-two million, nine hundred eighty-five thousand, six hundred sixteen".