51434232 has 16 divisors (see below), whose sum is σ = 128585640. Its totient is φ = 17144736.

The previous prime is 51434209. The next prime is 51434237. The reversal of 51434232 is 23243415.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2143093 = 51434232 / (5 + 1 + 4 + 3 + 4 + 2 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51434237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071523 + ... + 1071570.

Almost surely, 2^51434232 is an apocalyptic number.

It is an amenable number.

51434232 is an abundant number, since it is smaller than the sum of its proper divisors (77151408).

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

51434232 is a wasteful number, since it uses less digits than its factorization.

51434232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143102 (or 2143098 counting only the distinct ones).

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

The square root of 51434232 is about 7171.7663096339. The cubic root of 51434232 is about 371.8924998662.

Adding to 51434232 its reverse (23243415), we get a palindrome (74677647).

The spelling of 51434232 in words is "fifty-one million, four hundred thirty-four thousand, two hundred thirty-two".