52620272 has 40 divisors (see below), whose sum is σ = 108028800. Its totient is φ = 24760512.

The previous prime is 52620233. The next prime is 52620283. The reversal of 52620272 is 27202625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53933 + ... + 54899.

It is an arithmetic number, because the mean of its divisors is an integer number (2700720).

Almost surely, 2^52620272 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 52620272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54014400).

52620272 is an abundant number, since it is smaller than the sum of its proper divisors (55408528).

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

52620272 is a wasteful number, since it uses less digits than its factorization.

52620272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 52620272 is about 7253.9831816734. The cubic root of 52620272 is about 374.7293383226.

Adding to 52620272 its reverse (27202625), we get a palindrome (79822897).

The spelling of 52620272 in words is "fifty-two million, six hundred twenty thousand, two hundred seventy-two".