540433853 has 4 divisors (see below), whose sum is σ = 568877760. Its totient is φ = 511989948.

The previous prime is 540433849. The next prime is 540433889. The reversal of 540433853 is 358334045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 358334045 = 5 ⋅71666809.

It is a cyclic number.

It is not a de Polignac number, because 540433853 - 2² = 540433849 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 (540433823) 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, 14221925 + ... + 14221962.

It is an arithmetic number, because the mean of its divisors is an integer number (142219440).

Almost surely, 2^540433853 is an apocalyptic number.

It is an amenable number.

540433853 is a deficient number, since it is larger than the sum of its proper divisors (28443907).

540433853 is a wasteful number, since it uses less digits than its factorization.

540433853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28443906.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 540433853 is about 23247.2332332258. The cubic root of 540433853 is about 814.5433114558.

Adding to 540433853 its reverse (358334045), we get a palindrome (898767898).

The spelling of 540433853 in words is "five hundred forty million, four hundred thirty-three thousand, eight hundred fifty-three".