51330300432 has 20 divisors (see below), whose sum is σ = 132603276240. Its totient is φ = 17110100128.

The previous prime is 51330300419. The next prime is 51330300451. The reversal of 51330300432 is 23400303315.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534690582 + ... + 534690677.

It is an arithmetic number, because the mean of its divisors is an integer number (6630163812).

Almost surely, 2^51330300432 is an apocalyptic number.

It is an amenable number.

51330300432 is an abundant number, since it is smaller than the sum of its proper divisors (81272975808).

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

51330300432 is a wasteful number, since it uses less digits than its factorization.

51330300432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069381270 (or 1069381264 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 51330300432 its reverse (23400303315), we get a palindrome (74730603747).

The spelling of 51330300432 in words is "fifty-one billion, three hundred thirty million, three hundred thousand, four hundred thirty-two".