51424332 has 48 divisors (see below), whose sum is σ = 124035072. Its totient is φ = 16571520.

The previous prime is 51424327. The next prime is 51424333. The reversal of 51424332 is 23342415.

It is not an unprimeable number, because it can be changed into a prime (51424333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62073 + ... + 62895.

It is an arithmetic number, because the mean of its divisors is an integer number (2584064).

Almost surely, 2^51424332 is an apocalyptic number.

It is an amenable number.

51424332 is an abundant number, since it is smaller than the sum of its proper divisors (72610740).

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

51424332 is a wasteful number, since it uses less digits than its factorization.

51424332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 51424332 is about 7171.0760698796. The cubic root of 51424332 is about 371.8686378593.

Adding to 51424332 its reverse (23342415), we get a palindrome (74766747).

The spelling of 51424332 in words is "fifty-one million, four hundred twenty-four thousand, three hundred thirty-two".