51450536144 has 40 divisors (see below), whose sum is σ = 114023767488. Its totient is φ = 22031343360.

The previous prime is 51450536129. The next prime is 51450536197. The reversal of 51450536144 is 44163505415.

51450536144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51450536098 and 51450536107.

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, 64997 + ... + 327300.

Almost surely, 2^51450536144 is an apocalyptic number.

It is an amenable number.

51450536144 is an abundant number, since it is smaller than the sum of its proper divisors (62573231344).

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

51450536144 is a wasteful number, since it uses less digits than its factorization.

51450536144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393483 (or 393477 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 51450536144 in words is "fifty-one billion, four hundred fifty million, five hundred thirty-six thousand, one hundred forty-four".