51225553030630 has 64 divisors (see below), whose sum is σ = 100706938390080. Its totient is φ = 18605524377600.

The previous prime is 51225553030567. The next prime is 51225553030697. The reversal of 51225553030630 is 3603035552215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436717590 + ... + 436834870.

It is an arithmetic number, because the mean of its divisors is an integer number (1573545912345).

Almost surely, 2^{51225553030630} is an apocalyptic number.

51225553030630 is a deficient number, since it is larger than the sum of its proper divisors (49481385359450).

51225553030630 is a wasteful number, since it uses less digits than its factorization.

51225553030630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121945.

The product of its (nonzero) digits is 405000, while the sum is 40.

Adding to 51225553030630 its reverse (3603035552215), we get a palindrome (54828588582845).

The spelling of 51225553030630 in words is "fifty-one trillion, two hundred twenty-five billion, five hundred fifty-three million, thirty thousand, six hundred thirty".