51435530412164 has 24 divisors (see below), whose sum is σ = 92344607203128. Its totient is φ = 25053221007360.

The previous prime is 51435530412151. The next prime is 51435530412169. The reversal of 51435530412164 is 46121403553415.

It can be written as a sum of positive squares in 4 ways, for example, as 6032083360900 + 45403447051264 = 2456030^2 + 6738208^2 .

It is a super-2 number, since 2×51435530412164² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51435530412169) 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 7 ways as a sum of consecutive naturals, for example, 232899497 + ... + 233120240.

It is an arithmetic number, because the mean of its divisors is an integer number (3847691966797).

Almost surely, 2^{51435530412164} is an apocalyptic number.

It is an amenable number.

51435530412164 is a deficient number, since it is larger than the sum of its proper divisors (40909076790964).

51435530412164 is a wasteful number, since it uses less digits than its factorization.

51435530412164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466020455 (or 466020453 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 51435530412164 its reverse (46121403553415), we get a palindrome (97556933965579).

The spelling of 51435530412164 in words is "fifty-one trillion, four hundred thirty-five billion, five hundred thirty million, four hundred twelve thousand, one hundred sixty-four".