52219872 has 72 divisors (see below), whose sum is σ = 153316800. Its totient is φ = 16842240.

The previous prime is 52219859. The next prime is 52219883. The reversal of 52219872 is 27891225.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6004 + ... + 11852.

It is an arithmetic number, because the mean of its divisors is an integer number (2129400).

Almost surely, 2^52219872 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 52219872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76658400).

52219872 is an abundant number, since it is smaller than the sum of its proper divisors (101096928).

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

52219872 is a wasteful number, since it uses less digits than its factorization.

52219872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896 (or 5885 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 52219872 is about 7226.3318495624. The cubic root of 52219872 is about 373.7764494729.

The spelling of 52219872 in words is "fifty-two million, two hundred nineteen thousand, eight hundred seventy-two".