51038451025753 has 4 divisors (see below), whose sum is σ = 51038492289588. Its totient is φ = 51038409761920.

The previous prime is 51038451025739. The next prime is 51038451025759. The reversal of 51038451025753 is 35752015483015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22955520780864 + 28082930244889 = 4791192^2 + 5299333^2 .

It is a cyclic number.

It is not a de Polignac number, because 51038451025753 - 2²⁹ = 51037914154841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51038451025697 and 51038451025706.

It is not an unprimeable number, because it can be changed into a prime (51038451025759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18717376 + ... + 21270097.

It is an arithmetic number, because the mean of its divisors is an integer number (12759623072397).

Almost surely, 2^{51038451025753} is an apocalyptic number.

It is an amenable number.

51038451025753 is a deficient number, since it is larger than the sum of its proper divisors (41263835).

51038451025753 is a wasteful number, since it uses less digits than its factorization.

51038451025753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41263834.

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 51038451025753 in words is "fifty-one trillion, thirty-eight billion, four hundred fifty-one million, twenty-five thousand, seven hundred fifty-three".