54884523911281 has 3 divisors (see below), whose sum is σ = 54884531319691. Its totient is φ = 54884516502872.

The previous prime is 54884523911267. The next prime is 54884523911309. The reversal of 54884523911281 is 18211932548845.

The square root of 54884523911281 is 7408409.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1387587405681 + 53496936505600 = 1177959^2 + 7314160^2 .

It is not a de Polignac number, because 54884523911281 - 2²³ = 54884515522673 is a prime.

It is a super-2 number, since 2×54884523911281² (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 (54884523911201) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3704205 + ... + 11112613.

Almost surely, 2^{54884523911281} is an apocalyptic number.

54884523911281 is the 7408409-th square number.

54884523911281 is the 3704205-th centered octagonal number.

It is an amenable number.

54884523911281 is a deficient number, since it is larger than the sum of its proper divisors (7408410).

54884523911281 is an frugal number, since it uses more digits than its factorization.

54884523911281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14816818 (or 7408409 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 61.

The spelling of 54884523911281 in words is "fifty-four trillion, eight hundred eighty-four billion, five hundred twenty-three million, nine hundred eleven thousand, two hundred eighty-one".