51034432 has 56 divisors (see below), whose sum is σ = 108264960. Its totient is φ = 23815680.

The previous prime is 51034427. The next prime is 51034439. The reversal of 51034432 is 23443015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51034439) 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, 57093 + ... + 57979.

Almost surely, 2^51034432 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 51034432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54132480).

51034432 is an abundant number, since it is smaller than the sum of its proper divisors (57230528).

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

51034432 is a wasteful number, since it uses less digits than its factorization.

51034432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 51034432 is about 7143.8387439807. The cubic root of 51034432 is about 370.9264147886.

Adding to 51034432 its reverse (23443015), we get a palindrome (74477447).

The spelling of 51034432 in words is "fifty-one million, thirty-four thousand, four hundred thirty-two".