55222376742976 has 189 divisors, whose sum is σ = 117788754348741. Its totient is φ = 25682144256000.

The previous prime is 55222376742943. The next prime is 55222376742989. The reversal of 55222376742976 is 67924767322255.

It is a happy number.

The square root of 55222376742976 is 7431176.

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

It can be written as a sum of positive squares in 13 ways, for example, as 2972430400 + 55219404312576 = 54520^2 + 7430976^2 .

It is a super-2 number, since 2×55222376742976² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 102074633266 + ... + 102074633806.

Almost surely, 2^{55222376742976} is an apocalyptic number.

55222376742976 is the 7431176-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55222376742976

55222376742976 is an abundant number, since it is smaller than the sum of its proper divisors (62566377605765).

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

55222376742976 is an frugal number, since it uses more digits than its factorization.

55222376742976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 661 counting only the distinct ones).

The product of its digits is 533433600, while the sum is 67.

The spelling of 55222376742976 in words is "fifty-five trillion, two hundred twenty-two billion, three hundred seventy-six million, seven hundred forty-two thousand, nine hundred seventy-six".