51433414352 has 30 divisors (see below), whose sum is σ = 105173151858. Its totient is φ = 24363193536.

The previous prime is 51433414321. The next prime is 51433414379. The reversal of 51433414352 is 25341433415.

It can be written as a sum of positive squares in only one way, i.e., 50572813456 + 860600896 = 224884^2 + 29336^2 .

It is a super-2 number, since 2×51433414352² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4446563 + ... + 4458114.

Almost surely, 2^51433414352 is an apocalyptic number.

It is an amenable number.

51433414352 is an abundant number, since it is smaller than the sum of its proper divisors (53739737506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51433414352 is a wasteful number, since it uses less digits than its factorization.

51433414352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8904723 (or 8904698 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 51433414352 its reverse (25341433415), we get a palindrome (76774847767).

The spelling of 51433414352 in words is "fifty-one billion, four hundred thirty-three million, four hundred fourteen thousand, three hundred fifty-two".