51984566753 has 8 divisors (see below), whose sum is σ = 59415121920. Its totient is φ = 44555058720.

The previous prime is 51984566749. The next prime is 51984566761. The reversal of 51984566753 is 35766548915.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51984566753 - 2² = 51984566749 is a prime.

It is a super-2 number, since 2×51984566753² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51984566692 and 51984566701.

It is not an unprimeable number, because it can be changed into a prime (51984566773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152348 + ... + 356621.

It is an arithmetic number, because the mean of its divisors is an integer number (7426890240).

Almost surely, 2^51984566753 is an apocalyptic number.

It is an amenable number.

51984566753 is a deficient number, since it is larger than the sum of its proper divisors (7430555167).

51984566753 is a wasteful number, since it uses less digits than its factorization.

51984566753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523567.

The product of its digits is 27216000, while the sum is 59.

The spelling of 51984566753 in words is "fifty-one billion, nine hundred eighty-four million, five hundred sixty-six thousand, seven hundred fifty-three".