51630121452330 has 48 divisors (see below), whose sum is σ = 137094450165504. Its totient is φ = 13475095526880.

The previous prime is 51630121452281. The next prime is 51630121452341. The reversal of 51630121452330 is 3325412103615.

51630121452330 is a `hidden beast` number, since 5 + 1 + 6 + 3 + 0 + 121 + 4 + 523 + 3 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6102847006 + ... + 6102855465.

It is an arithmetic number, because the mean of its divisors is an integer number (2856134378448).

Almost surely, 2^{51630121452330} is an apocalyptic number.

51630121452330 is an abundant number, since it is smaller than the sum of its proper divisors (85464328713174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51630121452330 is a wasteful number, since it uses less digits than its factorization.

51630121452330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12205702531 (or 12205702528 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 51630121452330 its reverse (3325412103615), we get a palindrome (54955533555945).

The spelling of 51630121452330 in words is "fifty-one trillion, six hundred thirty billion, one hundred twenty-one million, four hundred fifty-two thousand, three hundred thirty".