540209755 has 4 divisors (see below), whose sum is σ = 648251712. Its totient is φ = 432167800.

The previous prime is 540209753. The next prime is 540209759. The reversal of 540209755 is 557902045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557902045 = 5 ⋅111580409.

It is not a de Polignac number, because 540209755 - 2¹ = 540209753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540209753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54020971 + ... + 54020980.

It is an arithmetic number, because the mean of its divisors is an integer number (162062928).

Almost surely, 2^540209755 is an apocalyptic number.

540209755 is a deficient number, since it is larger than the sum of its proper divisors (108041957).

540209755 is a wasteful number, since it uses less digits than its factorization.

540209755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108041956.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 540209755 is about 23242.4128480672. The cubic root of 540209755 is about 814.4307088605.

The spelling of 540209755 in words is "five hundred forty million, two hundred nine thousand, seven hundred fifty-five".