542655 has 24 divisors (see below), whose sum is σ = 973440. Its totient is φ = 279360.

The previous prime is 542603. The next prime is 542683. The reversal of 542655 is 556245.

542655 is a `hidden beast` number, since 5 + 4 + 2 + 655 = 666.

It is not a de Polignac number, because 542655 - 2¹⁰ = 541631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (40560).

2⁵⁴²⁶⁵⁵ is an apocalyptic number.

542655 is a deficient number, since it is larger than the sum of its proper divisors (430785).

542655 is a wasteful number, since it uses less digits than its factorization.

542655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 428 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 542655 is about 736.6512064743. The cubic root of 542655 is about 81.5657692352.

The spelling of 542655 in words is "five hundred forty-two thousand, six hundred fifty-five".