548750563729 has 9 divisors (see below), whose sum is σ = 564010671441. Its totient is φ = 533892799440.

The previous prime is 548750563721. The next prime is 548750563763. The reversal of 548750563729 is 927365057845.

It is a happy number.

The square root of 548750563729 is 740777.

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

It can be written as a sum of positive squares in 4 ways, for example, as 7866803025 + 540883760704 = 88695^2 + 735448^2 .

It is not a de Polignac number, because 548750563729 - 2³ = 548750563721 is a prime.

It is a super-2 number, since 2×548750563729² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548750563721) 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, 27398739 + ... + 27418759.

Almost surely, 2^548750563729 is an apocalyptic number.

548750563729 is the 740777-th square number.

548750563729 is the 370389-th centered octagonal number.

It is an amenable number.

548750563729 is a deficient number, since it is larger than the sum of its proper divisors (15260107712).

548750563729 is an frugal number, since it uses more digits than its factorization.

548750563729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40116 (or 20058 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 61.

The spelling of 548750563729 in words is "five hundred forty-eight billion, seven hundred fifty million, five hundred sixty-three thousand, seven hundred twenty-nine".