51988934625 has 64 divisors (see below), whose sum is σ = 92080115712. Its totient is φ = 25959168000.

The previous prime is 51988934611. The next prime is 51988934633. The reversal of 51988934625 is 52643988915.

It is not a de Polignac number, because 51988934625 - 2⁴ = 51988934609 is a prime.

It is a super-3 number, since 3×51988934625³ (a number of 33 digits) contains 333 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 63 ways as a sum of consecutive naturals, for example, 1196277 + ... + 1238973.

It is an arithmetic number, because the mean of its divisors is an integer number (1438751808).

Almost surely, 2^51988934625 is an apocalyptic number.

It is an amenable number.

51988934625 is a deficient number, since it is larger than the sum of its proper divisors (40091181087).

51988934625 is a wasteful number, since it uses less digits than its factorization.

51988934625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42923 (or 42913 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 60.

The spelling of 51988934625 in words is "fifty-one billion, nine hundred eighty-eight million, nine hundred thirty-four thousand, six hundred twenty-five".