51305453041 has 4 divisors (see below), whose sum is σ = 51505085412. Its totient is φ = 51105820672.

The previous prime is 51305453029. The next prime is 51305453071. The reversal of 51305453041 is 14035450315.

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 33615389025 + 17690064016 = 183345^2 + 133004^2 .

It is a cyclic number.

It is not a de Polignac number, because 51305453041 - 2⁹ = 51305452529 is a prime.

It is a super-2 number, since 2×51305453041² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51305452994 and 51305453012.

It is not an unprimeable number, because it can be changed into a prime (51305453011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99815800 + ... + 99816313.

It is an arithmetic number, because the mean of its divisors is an integer number (12876271353).

Almost surely, 2^51305453041 is an apocalyptic number.

It is an amenable number.

51305453041 is a deficient number, since it is larger than the sum of its proper divisors (199632371).

51305453041 is a wasteful number, since it uses less digits than its factorization.

51305453041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199632370.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 51305453041 in words is "fifty-one billion, three hundred five million, four hundred fifty-three thousand, forty-one".