54217627280644 has 27 divisors (see below), whose sum is σ = 96039928447477. Its totient is φ = 26781597640304.

The previous prime is 54217627280617. The next prime is 54217627280647. The reversal of 54217627280644 is 44608272671245.

It is a happy number.

The square root of 54217627280644 is 7363262.

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., 50962893768900 + 3254733511744 = 7138830^2 + 1804088^2 .

It is a super-2 number, since 2×54217627280644² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54217627280647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1222279314 + ... + 1222323670.

Almost surely, 2^{54217627280644} is an apocalyptic number.

54217627280644 is the 7363262-nd square number.

It is an amenable number.

54217627280644 is a deficient number, since it is larger than the sum of its proper divisors (41822301166833).

54217627280644 is an frugal number, since it uses more digits than its factorization.

54217627280644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88884 (or 44442 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 58.

The spelling of 54217627280644 in words is "fifty-four trillion, two hundred seventeen billion, six hundred twenty-seven million, two hundred eighty thousand, six hundred forty-four".