51350430430 has 64 divisors (see below), whose sum is σ = 104112304128. Its totient is φ = 18093271680.

The previous prime is 51350430421. The next prime is 51350430431. The reversal of 51350430430 is 3403405315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51350430431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1268767 + ... + 1308613.

It is an arithmetic number, because the mean of its divisors is an integer number (1626754752).

Almost surely, 2^51350430430 is an apocalyptic number.

51350430430 is an abundant number, since it is smaller than the sum of its proper divisors (52761873698).

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

51350430430 is a wasteful number, since it uses less digits than its factorization.

51350430430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40321.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 51350430430 its reverse (3403405315), we get a palindrome (54753835745).

The spelling of 51350430430 in words is "fifty-one billion, three hundred fifty million, four hundred thirty thousand, four hundred thirty".