51221055232302 has 16 divisors (see below), whose sum is σ = 102443221322112. Its totient is φ = 17073499934520.

The previous prime is 51221055232297. The next prime is 51221055232327. The reversal of 51221055232302 is 20323255012215.

It is a super-2 number, since 2×51221055232302² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45685708 + ... + 46793439.

It is an arithmetic number, because the mean of its divisors is an integer number (6402701332632).

Almost surely, 2^{51221055232302} is an apocalyptic number.

51221055232302 is an abundant number, since it is smaller than the sum of its proper divisors (51222166089810).

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

51221055232302 is a wasteful number, since it uses less digits than its factorization.

51221055232302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92571463.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 51221055232302 in words is "fifty-one trillion, two hundred twenty-one billion, fifty-five million, two hundred thirty-two thousand, three hundred two".