53681223320 has 32 divisors (see below), whose sum is σ = 121314855600. Its totient is φ = 21377893248.

The previous prime is 53681223307. The next prime is 53681223329. The reversal of 53681223320 is 2332218635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53681223329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2946935 + ... + 2965094.

Almost surely, 2^53681223320 is an apocalyptic number.

It is an amenable number.

53681223320 is an abundant number, since it is smaller than the sum of its proper divisors (67633632280).

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

53681223320 is a wasteful number, since it uses less digits than its factorization.

53681223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912267 (or 5912263 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 53681223320 in words is "fifty-three billion, six hundred eighty-one million, two hundred twenty-three thousand, three hundred twenty".