542309850 has 48 divisors (see below), whose sum is σ = 1494368640. Its totient is φ = 144615600.

The previous prime is 542309849. The next prime is 542309897. The reversal of 542309850 is 58903245.

542309850 is a `hidden beast` number, since 542 + 30 + 9 + 85 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199506 + ... + 202205.

It is an arithmetic number, because the mean of its divisors is an integer number (31132680).

Almost surely, 2^542309850 is an apocalyptic number.

542309850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542309850 is an abundant number, since it is smaller than the sum of its proper divisors (952058790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542309850 is a wasteful number, since it uses less digits than its factorization.

542309850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401732 (or 401721 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 542309850 is about 23287.5471014016. The cubic root of 542309850 is about 815.4847255131.

The spelling of 542309850 in words is "five hundred forty-two million, three hundred nine thousand, eight hundred fifty".