51602215304620 has 12 divisors (see below), whose sum is σ = 108364652139744. Its totient is φ = 20640886121840.

The previous prime is 51602215304617. The next prime is 51602215304669. The reversal of 51602215304620 is 2640351220615.

It is a self number, because there is not a number n which added to its sum of digits gives 51602215304620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290055382596 + ... + 1290055382635.

It is an arithmetic number, because the mean of its divisors is an integer number (9030387678312).

Almost surely, 2^{51602215304620} is an apocalyptic number.

It is an amenable number.

51602215304620 is an abundant number, since it is smaller than the sum of its proper divisors (56762436835124).

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

51602215304620 is a wasteful number, since it uses less digits than its factorization.

51602215304620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580110765240 (or 2580110765238 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 51602215304620 in words is "fifty-one trillion, six hundred two billion, two hundred fifteen million, three hundred four thousand, six hundred twenty".