52205580 has 144 divisors (see below), whose sum is σ = 189030240. Its totient is φ = 11926656.

The previous prime is 52205563. The next prime is 52205599. The reversal of 52205580 is 8550225.

It is a super-3 number, since 3×52205580³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25474 + ... + 27446.

It is an arithmetic number, because the mean of its divisors is an integer number (1312710).

Almost surely, 2^52205580 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 52205580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94515120).

52205580 is an abundant number, since it is smaller than the sum of its proper divisors (136824660).

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

52205580 is a wasteful number, since it uses less digits than its factorization.

52205580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 52205580 is about 7225.3428984374. The cubic root of 52205580 is about 373.7423468715.

The spelling of 52205580 in words is "fifty-two million, two hundred five thousand, five hundred eighty".