542555 has 16 divisors (see below), whose sum is σ = 743904. Its totient is φ = 376320.

The previous prime is 542551. The next prime is 542557. The reversal of 542555 is 555245.

542555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 542555 - 2² = 542551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (46494).

2⁵⁴²⁵⁵⁵ is an apocalyptic number.

542555 is a deficient number, since it is larger than the sum of its proper divisors (201349).

542555 is a wasteful number, since it uses less digits than its factorization.

542555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526.

The product of its digits is 5000, while the sum is 26.

The square root of 542555 is about 736.5833286194. The cubic root of 542555 is about 81.5607586373.

The spelling of 542555 in words is "five hundred forty-two thousand, five hundred fifty-five".