51045450000540 has 48 divisors (see below), whose sum is σ = 143316707638272. Its totient is φ = 13575029749056.

The previous prime is 51045450000529. The next prime is 51045450000607. The reversal of 51045450000540 is 4500005454015.

It is a congruent number.

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, 1159048144 + ... + 1159092183.

It is an arithmetic number, because the mean of its divisors is an integer number (2985764742464).

Almost surely, 2^{51045450000540} is an apocalyptic number.

It is an amenable number.

51045450000540 is an abundant number, since it is smaller than the sum of its proper divisors (92271257637732).

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

51045450000540 is a wasteful number, since it uses less digits than its factorization.

51045450000540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318140706 (or 2318140704 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 51045450000540 its reverse (4500005454015), we get a palindrome (55545455454555).

The spelling of 51045450000540 in words is "fifty-one trillion, forty-five billion, four hundred fifty million, five hundred forty", and thus it is an aban number.