540155503 has 8 divisors (see below), whose sum is σ = 569243520. Its totient is φ = 511133400.

The previous prime is 540155477. The next prime is 540155519. The reversal of 540155503 is 305551045.

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 540155503 - 2⁵ = 540155471 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 (540155573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828 + ... + 32878.

It is an arithmetic number, because the mean of its divisors is an integer number (71155440).

Almost surely, 2^540155503 is an apocalyptic number.

540155503 is a deficient number, since it is larger than the sum of its proper divisors (29088017).

540155503 is a wasteful number, since it uses less digits than its factorization.

540155503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32957.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 540155503 is about 23241.2457282307. The cubic root of 540155503 is about 814.4034441585.

The spelling of 540155503 in words is "five hundred forty million, one hundred fifty-five thousand, five hundred three".