51724112 has 30 divisors (see below), whose sum is σ = 110158314. Its totient is φ = 23510080.

The previous prime is 51724109. The next prime is 51724117. The reversal of 51724112 is 21142715.

51724112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37405456 + 14318656 = 6116^2 + 3784^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51724117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11423 + ... + 15294.

Almost surely, 2^51724112 is an apocalyptic number.

It is an amenable number.

51724112 is an abundant number, since it is smaller than the sum of its proper divisors (58434202).

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

51724112 is a wasteful number, since it uses less digits than its factorization.

51724112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26747 (or 26730 counting only the distinct ones).

The product of its digits is 560, while the sum is 23.

The square root of 51724112 is about 7191.9477194985. The cubic root of 51724112 is about 372.5898454510.

Adding to 51724112 its reverse (21142715), we get a palindrome (72866827).

The spelling of 51724112 in words is "fifty-one million, seven hundred twenty-four thousand, one hundred twelve".