542545434566 has 8 divisors (see below), whose sum is σ = 814118794680. Its totient is φ = 271172503008.

The previous prime is 542545434553. The next prime is 542545434577. The reversal of 542545434566 is 665434545245.

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

It is a congruent number.

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, 50100371 + ... + 50111198.

It is an arithmetic number, because the mean of its divisors is an integer number (101764849335).

Almost surely, 2^542545434566 is an apocalyptic number.

542545434566 is a deficient number, since it is larger than the sum of its proper divisors (271573360114).

542545434566 is a wasteful number, since it uses less digits than its factorization.

542545434566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100214278.

The product of its digits is 34560000, while the sum is 53.

The spelling of 542545434566 in words is "five hundred forty-two billion, five hundred forty-five million, four hundred thirty-four thousand, five hundred sixty-six".