52103272 has 64 divisors (see below), whose sum is σ = 109992960. Its totient is φ = 22982400.

The previous prime is 52103243. The next prime is 52103291. The reversal of 52103272 is 27230125.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272697 + ... + 272887.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^52103272 is an apocalyptic number.

52103272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52103272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54996480).

52103272 is an abundant number, since it is smaller than the sum of its proper divisors (57889688).

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

52103272 is a wasteful number, since it uses less digits than its factorization.

52103272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 52103272 is about 7218.2596240368. The cubic root of 52103272 is about 373.4980445255.

Adding to 52103272 its reverse (27230125), we get a palindrome (79333397).

The spelling of 52103272 in words is "fifty-two million, one hundred three thousand, two hundred seventy-two".