51243241232 has 80 divisors (see below), whose sum is σ = 104683549824. Its totient is φ = 24275328000.

The previous prime is 51243241229. The next prime is 51243241297. The reversal of 51243241232 is 23214234215.

It is a junction number, because it is equal to n+sod(n) for n = 51243241195 and 51243241204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3112382 + ... + 3128802.

Almost surely, 2^51243241232 is an apocalyptic number.

It is an amenable number.

51243241232 is an abundant number, since it is smaller than the sum of its proper divisors (53440308592).

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

51243241232 is a wasteful number, since it uses less digits than its factorization.

51243241232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16608 (or 16602 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

Adding to 51243241232 its reverse (23214234215), we get a palindrome (74457475447).

The spelling of 51243241232 in words is "fifty-one billion, two hundred forty-three million, two hundred forty-one thousand, two hundred thirty-two".