540550501 has 8 divisors (see below), whose sum is σ = 555551640. Its totient is φ = 525570048.

The previous prime is 540550499. The next prime is 540550559. The reversal of 540550501 is 105055045.

It can be written as a sum of positive squares in 4 ways, for example, as 265853025 + 274697476 = 16305^2 + 16574^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540550501 - 2¹ = 540550499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540550201) 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 7 ways as a sum of consecutive naturals, for example, 58485 + ... + 67093.

It is an arithmetic number, because the mean of its divisors is an integer number (69443955).

Almost surely, 2^540550501 is an apocalyptic number.

It is an amenable number.

540550501 is a deficient number, since it is larger than the sum of its proper divisors (15001139).

540550501 is a wasteful number, since it uses less digits than its factorization.

540550501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 540550501 is about 23249.7419555573. The cubic root of 540550501 is about 814.6019112964.

The spelling of 540550501 in words is "five hundred forty million, five hundred fifty thousand, five hundred one".