51548116803340 has 12 divisors (see below), whose sum is σ = 108251045287056. Its totient is φ = 20619246721328.

The previous prime is 51548116803329. The next prime is 51548116803383. The reversal of 51548116803340 is 4330861184515.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288702920064 + ... + 1288702920103.

It is an arithmetic number, because the mean of its divisors is an integer number (9020920440588).

Almost surely, 2^{51548116803340} is an apocalyptic number.

It is an amenable number.

51548116803340 is an abundant number, since it is smaller than the sum of its proper divisors (56702928483716).

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

51548116803340 is a wasteful number, since it uses less digits than its factorization.

51548116803340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577405840176 (or 2577405840174 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

Adding to 51548116803340 its reverse (4330861184515), we get a palindrome (55878977987855).

The spelling of 51548116803340 in words is "fifty-one trillion, five hundred forty-eight billion, one hundred sixteen million, eight hundred three thousand, three hundred forty".