540557773 has 24 divisors (see below), whose sum is σ = 642827328. Its totient is φ = 445036032.

The previous prime is 540557747. The next prime is 540557777. The reversal of 540557773 is 377755045.

It is not a de Polignac number, because 540557773 - 2⁵ = 540557741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540557777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1603861 + ... + 1604197.

It is an arithmetic number, because the mean of its divisors is an integer number (26784472).

Almost surely, 2^540557773 is an apocalyptic number.

It is an amenable number.

540557773 is a deficient number, since it is larger than the sum of its proper divisors (102269555).

540557773 is an equidigital number, since it uses as much as digits as its factorization.

540557773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 514500, while the sum is 43.

The square root of 540557773 is about 23249.8983438638. The cubic root of 540557773 is about 814.6055642136.

The spelling of 540557773 in words is "five hundred forty million, five hundred fifty-seven thousand, seven hundred seventy-three".