51512250453 has 16 divisors (see below), whose sum is σ = 69763055040. Its totient is φ = 33802281216.

The previous prime is 51512250401. The next prime is 51512250457. The reversal of 51512250453 is 35405221515.

It is not a de Polignac number, because 51512250453 - 2²⁰ = 51511201877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51512250457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156333 + ... + 357021.

It is an arithmetic number, because the mean of its divisors is an integer number (4360190940).

Almost surely, 2^51512250453 is an apocalyptic number.

It is an amenable number.

51512250453 is a deficient number, since it is larger than the sum of its proper divisors (18250804587).

51512250453 is a wasteful number, since it uses less digits than its factorization.

51512250453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202036.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 51512250453 its reverse (35405221515), we get a palindrome (86917471968).

The spelling of 51512250453 in words is "fifty-one billion, five hundred twelve million, two hundred fifty thousand, four hundred fifty-three".