51223024 has 40 divisors (see below), whose sum is σ = 104591520. Its totient is φ = 24254208.

The previous prime is 51223009. The next prime is 51223027. The reversal of 51223024 is 42032215.

51223024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51222992 and 51223010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51223027) 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 7 ways as a sum of consecutive naturals, for example, 39474 + ... + 40750.

It is an arithmetic number, because the mean of its divisors is an integer number (2614788).

Almost surely, 2^51223024 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 51223024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52295760).

51223024 is an abundant number, since it is smaller than the sum of its proper divisors (53368496).

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

51223024 is a wasteful number, since it uses less digits than its factorization.

51223024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 51223024 is about 7157.0261980798. The cubic root of 51223024 is about 371.3827587339.

Adding to 51223024 its reverse (42032215), we get a palindrome (93255239).

The spelling of 51223024 in words is "fifty-one million, two hundred twenty-three thousand, twenty-four".