55650697216 has 135 divisors (see below), whose sum is σ = 118687546089. Its totient is φ = 26089095168.

The previous prime is 55650697199. The next prime is 55650697241. The reversal of 55650697216 is 61279605655.

The square root of 55650697216 is 235904.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 24989286400 + 30661410816 = 158080^2 + 175104^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 573718480 + ... + 573718576.

Almost surely, 2^55650697216 is an apocalyptic number.

55650697216 is the 235904-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55650697216

55650697216 is an abundant number, since it is smaller than the sum of its proper divisors (63036848873).

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

55650697216 is an frugal number, since it uses more digits than its factorization.

55650697216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 55650697216 in words is "fifty-five billion, six hundred fifty million, six hundred ninety-seven thousand, two hundred sixteen".