54516560326261 has 6 divisors (see below), whose sum is σ = 59923161350486. Its totient is φ = 49560509387400.

The previous prime is 54516560326259. The next prime is 54516560326331. The reversal of 54516560326261 is 16262306561545.

It can be written as a sum of positive squares in only one way, i.e., 52680291418161 + 1836268908100 = 7258119^2 + 1355090^2 .

It is not a de Polignac number, because 54516560326261 - 2¹ = 54516560326259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54516560326199 and 54516560326208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54516560326561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225275042550 + ... + 225275042791.

Almost surely, 2^{54516560326261} is an apocalyptic number.

It is an amenable number.

54516560326261 is a deficient number, since it is larger than the sum of its proper divisors (5406601024225).

54516560326261 is a wasteful number, since it uses less digits than its factorization.

54516560326261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450550085363 (or 450550085352 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 52.

The spelling of 54516560326261 in words is "fifty-four trillion, five hundred sixteen billion, five hundred sixty million, three hundred twenty-six thousand, two hundred sixty-one".