51227405630 has 32 divisors (see below), whose sum is σ = 92958300864. Its totient is φ = 20325197056.

The previous prime is 51227405623. The next prime is 51227405633. The reversal of 51227405630 is 3650472215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51227405633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570992 + ... + 654588.

It is an arithmetic number, because the mean of its divisors is an integer number (2904946902).

Almost surely, 2^51227405630 is an apocalyptic number.

51227405630 is a deficient number, since it is larger than the sum of its proper divisors (41730895234).

51227405630 is a wasteful number, since it uses less digits than its factorization.

51227405630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84100.

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 51227405630 its reverse (3650472215), we get a palindrome (54877877845).

The spelling of 51227405630 in words is "fifty-one billion, two hundred twenty-seven million, four hundred five thousand, six hundred thirty".