51302363533 has 8 divisors (see below), whose sum is σ = 52408085400. Its totient is φ = 50205180480.

The previous prime is 51302363527. The next prime is 51302363537. The reversal of 51302363533 is 33536320315.

It can be written as a sum of positive squares in 4 ways, for example, as 909746244 + 50392617289 = 30162^2 + 224483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51302363533 - 2²⁹ = 50765492621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51302363537) 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 7 ways as a sum of consecutive naturals, for example, 2122558 + ... + 2146591.

It is an arithmetic number, because the mean of its divisors is an integer number (6551010675).

Almost surely, 2^51302363533 is an apocalyptic number.

It is an amenable number.

51302363533 is a deficient number, since it is larger than the sum of its proper divisors (1105721867).

51302363533 is a wasteful number, since it uses less digits than its factorization.

51302363533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269407.

The product of its (nonzero) digits is 72900, while the sum is 34.

Adding to 51302363533 its reverse (33536320315), we get a palindrome (84838683848).

The spelling of 51302363533 in words is "fifty-one billion, three hundred two million, three hundred sixty-three thousand, five hundred thirty-three".