52205472 has 120 divisors (see below), whose sum is σ = 167584032. Its totient is φ = 15811200.

The previous prime is 52205471. The next prime is 52205473. The reversal of 52205472 is 27450225.

It is an interprime number because it is at equal distance from previous prime (52205471) and next prime (52205473).

It is a super-2 number, since 2×52205472² = 5450822613485568, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (52205471) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27597 + ... + 29427.

Almost surely, 2^52205472 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 52205472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83792016).

52205472 is an abundant number, since it is smaller than the sum of its proper divisors (115378560).

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

52205472 is a wasteful number, since it uses less digits than its factorization.

52205472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 52205472 is about 7225.3354247398. The cubic root of 52205472 is about 373.7420891455.

Adding to 52205472 its reverse (27450225), we get a palindrome (79655697).

The spelling of 52205472 in words is "fifty-two million, two hundred five thousand, four hundred seventy-two".