51252501332 has 6 divisors (see below), whose sum is σ = 89691877338. Its totient is φ = 25626250664.

The previous prime is 51252501301. The next prime is 51252501337. The reversal of 51252501332 is 23310525215.

It can be written as a sum of positive squares in only one way, i.e., 49183707076 + 2068794256 = 221774^2 + 45484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51252501295 and 51252501304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51252501337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6406562663 + ... + 6406562670.

It is an arithmetic number, because the mean of its divisors is an integer number (14948646223).

Almost surely, 2^51252501332 is an apocalyptic number.

It is an amenable number.

51252501332 is a deficient number, since it is larger than the sum of its proper divisors (38439376006).

51252501332 is a wasteful number, since it uses less digits than its factorization.

51252501332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12813125337 (or 12813125335 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 51252501332 in words is "fifty-one billion, two hundred fifty-two million, five hundred one thousand, three hundred thirty-two".