540455155 has 4 divisors (see below), whose sum is σ = 648546192. Its totient is φ = 432364120.

The previous prime is 540455131. The next prime is 540455183. The reversal of 540455155 is 551554045.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-540455155 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540455155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54045511 + ... + 54045520.

It is an arithmetic number, because the mean of its divisors is an integer number (162136548).

Almost surely, 2^540455155 is an apocalyptic number.

540455155 is a deficient number, since it is larger than the sum of its proper divisors (108091037).

540455155 is a wasteful number, since it uses less digits than its factorization.

540455155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108091036.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 540455155 is about 23247.6913907596. The cubic root of 540455155 is about 814.5540134585.

The spelling of 540455155 in words is "five hundred forty million, four hundred fifty-five thousand, one hundred fifty-five".