52219860 has 192 divisors, whose sum is σ = 185794560. Its totient is φ = 10644480.

The previous prime is 52219859. The next prime is 52219883. The reversal of 52219860 is 6891225.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 411117 + ... + 411243.

It is an arithmetic number, because the mean of its divisors is an integer number (967680).

Almost surely, 2^52219860 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 52219860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92897280).

52219860 is an abundant number, since it is smaller than the sum of its proper divisors (133574700).

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

52219860 is a wasteful number, since it uses less digits than its factorization.

52219860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 52219860 is about 7226.3310192656. The cubic root of 52219860 is about 373.7764208419.

It can be divided in two parts, 52 and 219860, that added together give a palindrome (219912).

The spelling of 52219860 in words is "fifty-two million, two hundred nineteen thousand, eight hundred sixty".