542461555 has 32 divisors (see below), whose sum is σ = 700356096. Its totient is φ = 402361344.

The previous prime is 542461537. The next prime is 542461561. The reversal of 542461555 is 555164245.

It is a cyclic number.

It is not a de Polignac number, because 542461555 - 2⁹ = 542461043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 805699 + ... + 806371.

It is an arithmetic number, because the mean of its divisors is an integer number (21886128).

Almost surely, 2^542461555 is an apocalyptic number.

542461555 is a deficient number, since it is larger than the sum of its proper divisors (157894541).

542461555 is a wasteful number, since it uses less digits than its factorization.

542461555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907.

The product of its digits is 120000, while the sum is 37.

The square root of 542461555 is about 23290.8040865918. The cubic root of 542461555 is about 815.5607592764.

The spelling of 542461555 in words is "five hundred forty-two million, four hundred sixty-one thousand, five hundred fifty-five".