51225146733 has 8 divisors (see below), whose sum is σ = 69753391488. Its totient is φ = 33423499904.

The previous prime is 51225146659. The next prime is 51225146761. The reversal of 51225146733 is 33764152215.

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 51225146733 - 2¹⁶ = 51225081197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51225146691 and 51225146700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51225146633) 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, 181649316 + ... + 181649597.

It is an arithmetic number, because the mean of its divisors is an integer number (8719173936).

Almost surely, 2^51225146733 is an apocalyptic number.

It is an amenable number.

51225146733 is a deficient number, since it is larger than the sum of its proper divisors (18528244755).

51225146733 is a wasteful number, since it uses less digits than its factorization.

51225146733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363298963.

The product of its digits is 151200, while the sum is 39.

Adding to 51225146733 its reverse (33764152215), we get a palindrome (84989298948).

The spelling of 51225146733 in words is "fifty-one billion, two hundred twenty-five million, one hundred forty-six thousand, seven hundred thirty-three".