51355367023537 has 16 divisors (see below), whose sum is σ = 54626150370960. Its totient is φ = 48112829366272.

The previous prime is 51355367023489. The next prime is 51355367023577. The reversal of 51355367023537 is 73532076355315.

51355367023537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 12854117376 + 51342512906161 = 113376^2 + 7165369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51355367023537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51355367023577) 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 15 ways as a sum of consecutive naturals, for example, 4105468 + ... + 10934605.

It is an arithmetic number, because the mean of its divisors is an integer number (3414134398185).

Almost surely, 2^{51355367023537} is an apocalyptic number.

It is an amenable number.

51355367023537 is a deficient number, since it is larger than the sum of its proper divisors (3270783347423).

51355367023537 is a wasteful number, since it uses less digits than its factorization.

51355367023537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15041012.

The product of its (nonzero) digits is 29767500, while the sum is 55.

The spelling of 51355367023537 in words is "fifty-one trillion, three hundred fifty-five billion, three hundred sixty-seven million, twenty-three thousand, five hundred thirty-seven".