51598272 has 84 divisors (see below), whose sum is σ = 150127208. Its totient is φ = 15628800.

The previous prime is 51598271. The next prime is 51598307. The reversal of 51598272 is 27289515.

It is a self number, because there is not a number n which added to its sum of digits gives 51598272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51598271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22122 + ... + 24342.

Almost surely, 2^51598272 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 51598272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75063604).

51598272 is an abundant number, since it is smaller than the sum of its proper divisors (98528936).

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

51598272 is a wasteful number, since it uses less digits than its factorization.

51598272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258 (or 2237 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 51598272 is about 7183.1937186742. The cubic root of 51598272 is about 372.2874411532.

It can be divided in two parts, 5159 and 8272, that added together give a palindrome (13431).

The spelling of 51598272 in words is "fifty-one million, five hundred ninety-eight thousand, two hundred seventy-two".