54610548721 has 3 divisors (see below), whose sum is σ = 54610782411. Its totient is φ = 54610315032.

The previous prime is 54610548703. The next prime is 54610548731. The reversal of 54610548721 is 12784501645.

The square root of 54610548721 is 233689.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12784501645 = 5 ⋅2556900329.

It can be written as a sum of positive squares in only one way, i.e., 54237286321 + 373262400 = 232889^2 + 19320^2 .

It is not a de Polignac number, because 54610548721 - 2¹⁹ = 54610024433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54610548731) 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, 116845 + ... + 350533.

It is an arithmetic number, because the mean of its divisors is an integer number (18203594137).

Almost surely, 2^54610548721 is an apocalyptic number.

54610548721 is the 233689-th square number.

54610548721 is the 116845-th centered octagonal number.

It is an amenable number.

54610548721 is a deficient number, since it is larger than the sum of its proper divisors (233690).

54610548721 is an frugal number, since it uses more digits than its factorization.

54610548721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467378 (or 233689 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 54610548721 in words is "fifty-four billion, six hundred ten million, five hundred forty-eight thousand, seven hundred twenty-one".