51322521244252 has 48 divisors (see below), whose sum is σ = 92227528673280. Its totient is φ = 24980304604608.

The previous prime is 51322521244207. The next prime is 51322521244303. The reversal of 51322521244252 is 25244212522315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939549813 + ... + 939604435.

It is an arithmetic number, because the mean of its divisors is an integer number (1921406847360).

Almost surely, 2^{51322521244252} is an apocalyptic number.

It is an amenable number.

51322521244252 is a deficient number, since it is larger than the sum of its proper divisors (40905007429028).

51322521244252 is a wasteful number, since it uses less digits than its factorization.

51322521244252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93442 (or 93440 counting only the distinct ones).

The product of its digits is 384000, while the sum is 40.

Adding to 51322521244252 its reverse (25244212522315), we get a palindrome (76566733766567).

The spelling of 51322521244252 in words is "fifty-one trillion, three hundred twenty-two billion, five hundred twenty-one million, two hundred forty-four thousand, two hundred fifty-two".