51433450230 has 32 divisors (see below), whose sum is σ = 123473320704. Its totient is φ = 13711915616.

The previous prime is 51433450223. The next prime is 51433450231. The reversal of 51433450230 is 3205433415.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51433450231) 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, 114552 + ... + 340571.

It is an arithmetic number, because the mean of its divisors is an integer number (3858541272).

Almost surely, 2^51433450230 is an apocalyptic number.

51433450230 is an abundant number, since it is smaller than the sum of its proper divisors (72039870474).

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

51433450230 is a wasteful number, since it uses less digits than its factorization.

51433450230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458900.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 51433450230 its reverse (3205433415), we get a palindrome (54638883645).

The spelling of 51433450230 in words is "fifty-one billion, four hundred thirty-three million, four hundred fifty thousand, two hundred thirty".