51480240087732 has 24 divisors (see below), whose sum is σ = 120120713615616. Its totient is φ = 17160058113408.

The previous prime is 51480240087719. The next prime is 51480240087739. The reversal of 51480240087732 is 23778004208415.

It is a happy number.

51480240087732 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 not an unprimeable number, because it can be changed into a prime (51480240087739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9091933 + ... + 13624379.

It is an arithmetic number, because the mean of its divisors is an integer number (5005029733984).

Almost surely, 2^{51480240087732} is an apocalyptic number.

It is an amenable number.

51480240087732 is an abundant number, since it is smaller than the sum of its proper divisors (68640473527884).

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

51480240087732 is a wasteful number, since it uses less digits than its factorization.

51480240087732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5478967 (or 5478965 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 51480240087732 in words is "fifty-one trillion, four hundred eighty billion, two hundred forty million, eighty-seven thousand, seven hundred thirty-two".