51532333323490 has 16 divisors (see below), whose sum is σ = 92758282293240. Its totient is φ = 20612915038080.

The previous prime is 51532333323481. The next prime is 51532333323491. The reversal of 51532333323490 is 9432333323515.

It can be written as a sum of positive squares in 4 ways, for example, as 28988952771321 + 22543380552169 = 5384139^2 + 4747987^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51532333323490.

It is not an unprimeable number, because it can be changed into a prime (51532333323491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18855766 + ... + 21415054.

Almost surely, 2^{51532333323490} is an apocalyptic number.

51532333323490 is a deficient number, since it is larger than the sum of its proper divisors (41225948969750).

51532333323490 is a wasteful number, since it uses less digits than its factorization.

51532333323490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572837.

The product of its (nonzero) digits is 2624400, while the sum is 46.

The spelling of 51532333323490 in words is "fifty-one trillion, five hundred thirty-two billion, three hundred thirty-three million, three hundred twenty-three thousand, four hundred ninety".