51435135352 has 16 divisors (see below), whose sum is σ = 96456965400. Its totient is φ = 25713277920.

The previous prime is 51435135347. The next prime is 51435135371. The reversal of 51435135352 is 25353153415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484974 + ... + 581437.

Almost surely, 2^51435135352 is an apocalyptic number.

It is an amenable number.

51435135352 is a deficient number, since it is larger than the sum of its proper divisors (45021830048).

51435135352 is a wasteful number, since it uses less digits than its factorization.

51435135352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072446 (or 1072442 counting only the distinct ones).

The product of its digits is 135000, while the sum is 37.

Adding to 51435135352 its reverse (25353153415), we get a palindrome (76788288767).

The spelling of 51435135352 in words is "fifty-one billion, four hundred thirty-five million, one hundred thirty-five thousand, three hundred fifty-two".