51880068452 has 48 divisors (see below), whose sum is σ = 92159907840. Its totient is φ = 25552380672.

The previous prime is 51880068451. The next prime is 51880068523. The reversal of 51880068452 is 25486008815.

It is a junction number, because it is equal to n+sod(n) for n = 51880068397 and 51880068406.

It is not an unprimeable number, because it can be changed into a prime (51880068451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60536408 + ... + 60537264.

It is an arithmetic number, because the mean of its divisors is an integer number (1919998080).

Almost surely, 2^51880068452 is an apocalyptic number.

It is an amenable number.

51880068452 is a deficient number, since it is larger than the sum of its proper divisors (40279839388).

51880068452 is a wasteful number, since it uses less digits than its factorization.

51880068452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 1698 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 47.

The spelling of 51880068452 in words is "fifty-one billion, eight hundred eighty million, sixty-eight thousand, four hundred fifty-two".