542806911 has 24 divisors (see below), whose sum is σ = 791341824. Its totient is φ = 358525440.

The previous prime is 542806897. The next prime is 542806919. The reversal of 542806911 is 119608245.

It is not a de Polignac number, because 542806911 - 2¹⁷ = 542675839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542806919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 578835 + ... + 579771.

It is an arithmetic number, because the mean of its divisors is an integer number (32972576).

Almost surely, 2^542806911 is an apocalyptic number.

542806911 is a deficient number, since it is larger than the sum of its proper divisors (248534913).

542806911 is a wasteful number, since it uses less digits than its factorization.

542806911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 542806911 is about 23298.2169060209. The cubic root of 542806911 is about 815.7337970691.

The spelling of 542806911 in words is "five hundred forty-two million, eight hundred six thousand, nine hundred eleven".