542555531 has 8 divisors (see below), whose sum is σ = 636822240. Its totient is φ = 452478528.

The previous prime is 542555513. The next prime is 542555539. The reversal of 542555531 is 135555245.

542555531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542555531 is a prime.

It is a super-2 number, since 2×542555531² = 588733008437383922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542555491 and 542555500.

It is not an unprimeable number, because it can be changed into a prime (542555539) 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, 1047146 + ... + 1047663.

It is an arithmetic number, because the mean of its divisors is an integer number (79602780).

Almost surely, 2^542555531 is an apocalyptic number.

542555531 is a deficient number, since it is larger than the sum of its proper divisors (94266709).

542555531 is a wasteful number, since it uses less digits than its factorization.

542555531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094853.

The product of its digits is 75000, while the sum is 35.

The square root of 542555531 is about 23292.8214478195. The cubic root of 542555531 is about 815.6078524524.

The spelling of 542555531 in words is "five hundred forty-two million, five hundred fifty-five thousand, five hundred thirty-one".