52890 has 32 divisors (see below), whose sum is σ = 133056. Its totient is φ = 13440.

The previous prime is 52889. The next prime is 52901. The reversal of 52890 is 9825.

It is a self number, because there is not a number n which added to its sum of digits gives 52890.

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, 1209 + ... + 1251.

It is an arithmetic number, because the mean of its divisors is an integer number (4158).

2⁵²⁸⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66528).

52890 is an abundant number, since it is smaller than the sum of its proper divisors (80166).

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

52890 is a wasteful number, since it uses less digits than its factorization.

52890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 52890 is about 229.9782598421. The cubic root of 52890 is about 37.5368526605.

The spelling of 52890 in words is "fifty-two thousand, eight hundred ninety".