51055401512 has 16 divisors (see below), whose sum is σ = 95744799360. Its totient is φ = 25523455024.

The previous prime is 51055401503. The next prime is 51055401557. The reversal of 51055401512 is 21510455015.

It is a super-2 number, since 2×51055401512² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479318 + ... + 576069.

It is an arithmetic number, because the mean of its divisors is an integer number (5984049960).

Almost surely, 2^51055401512 is an apocalyptic number.

It is an amenable number.

51055401512 is a deficient number, since it is larger than the sum of its proper divisors (44689397848).

51055401512 is a wasteful number, since it uses less digits than its factorization.

51055401512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061440 (or 1061436 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 51055401512 its reverse (21510455015), we get a palindrome (72565856527).

The spelling of 51055401512 in words is "fifty-one billion, fifty-five million, four hundred one thousand, five hundred twelve".