52085280 has 192 divisors, whose sum is σ = 187463808. Its totient is φ = 12042240.

The previous prime is 52085269. The next prime is 52085311. The reversal of 52085280 is 8258025.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105835 + ... + 106325.

It is an arithmetic number, because the mean of its divisors is an integer number (976374).

Almost surely, 2^52085280 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 52085280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93731904).

52085280 is an abundant number, since it is smaller than the sum of its proper divisors (135378528).

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

52085280 is a wasteful number, since it uses less digits than its factorization.

52085280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 52085280 is about 7217.0132326330. The cubic root of 52085280 is about 373.4550481825.

The spelling of 52085280 in words is "fifty-two million, eighty-five thousand, two hundred eighty".