51133424 has 10 divisors (see below), whose sum is σ = 99071040. Its totient is φ = 25566704.

The previous prime is 51133421. The next prime is 51133429. The reversal of 51133424 is 42433115.

51133424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51133424² = 5229254099927552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51133424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51133421) 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 as a sum of consecutive naturals, namely, 1597904 + ... + 1597935.

It is an arithmetic number, because the mean of its divisors is an integer number (9907104).

Almost surely, 2^51133424 is an apocalyptic number.

It is an amenable number.

51133424 is a deficient number, since it is larger than the sum of its proper divisors (47937616).

51133424 is a wasteful number, since it uses less digits than its factorization.

51133424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195847 (or 3195841 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 51133424 is about 7150.7638752793. The cubic root of 51133424 is about 371.1660897853.

Adding to 51133424 its reverse (42433115), we get a palindrome (93566539).

The spelling of 51133424 in words is "fifty-one million, one hundred thirty-three thousand, four hundred twenty-four".