51625105323630 has 64 divisors (see below), whose sum is σ = 131204344320000. Its totient is φ = 12955324598784.

The previous prime is 51625105323619. The next prime is 51625105323767. The reversal of 51625105323630 is 3632350152615.

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, 1881130 + ... + 10333869.

It is an arithmetic number, because the mean of its divisors is an integer number (2050067880000).

Almost surely, 2^{51625105323630} is an apocalyptic number.

51625105323630 is an abundant number, since it is smaller than the sum of its proper divisors (79579238996370).

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

51625105323630 is a wasteful number, since it uses less digits than its factorization.

51625105323630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12223313.

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 51625105323630 in words is "fifty-one trillion, six hundred twenty-five billion, one hundred five million, three hundred twenty-three thousand, six hundred thirty".