51424352 has 48 divisors (see below), whose sum is σ = 116901792. Its totient is φ = 21811200.

The previous prime is 51424349. The next prime is 51424357. The reversal of 51424352 is 25342415.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51424357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21488 + ... + 23760.

It is an arithmetic number, because the mean of its divisors is an integer number (2435454).

Almost surely, 2^51424352 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 51424352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58450896).

51424352 is an abundant number, since it is smaller than the sum of its proper divisors (65477440).

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

51424352 is a wasteful number, since it uses less digits than its factorization.

51424352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391 (or 2383 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 51424352 is about 7171.0774643703. The cubic root of 51424352 is about 371.8686860684.

Adding to 51424352 its reverse (25342415), we get a palindrome (76766767).

The spelling of 51424352 in words is "fifty-one million, four hundred twenty-four thousand, three hundred fifty-two".