51435031224 has 64 divisors (see below), whose sum is σ = 136191313440. Its totient is φ = 16131768320.

The previous prime is 51435031217. The next prime is 51435031229. The reversal of 51435031224 is 42213053415.

It is a junction number, because it is equal to n+sod(n) for n = 51435031191 and 51435031200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51435031229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1542472 + ... + 1575464.

Almost surely, 2^51435031224 is an apocalyptic number.

It is an amenable number.

51435031224 is an abundant number, since it is smaller than the sum of its proper divisors (84756282216).

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

51435031224 is a wasteful number, since it uses less digits than its factorization.

51435031224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36840 (or 36836 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 51435031224 its reverse (42213053415), we get a palindrome (93648084639).

The spelling of 51435031224 in words is "fifty-one billion, four hundred thirty-five million, thirty-one thousand, two hundred twenty-four".