51341322520 has 32 divisors (see below), whose sum is σ = 115845253920. Its totient is φ = 20478346240.

The previous prime is 51341322493. The next prime is 51341322553. The reversal of 51341322520 is 2522314315.

51341322520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1803916 + ... + 1832155.

It is an arithmetic number, because the mean of its divisors is an integer number (3620164185).

Almost surely, 2^51341322520 is an apocalyptic number.

It is an amenable number.

51341322520 is an abundant number, since it is smaller than the sum of its proper divisors (64503931400).

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

51341322520 is a wasteful number, since it uses less digits than its factorization.

51341322520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636435 (or 3636431 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 51341322520 its reverse (2522314315), we get a palindrome (53863636835).

The spelling of 51341322520 in words is "fifty-one billion, three hundred forty-one million, three hundred twenty-two thousand, five hundred twenty".