505804542 has 8 divisors (see below), whose sum is σ = 1011609096. Its totient is φ = 168601512.

The previous prime is 505804513. The next prime is 505804589. The reversal of 505804542 is 245408505.

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

505804542 is an admirable number.

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, 42150373 + ... + 42150384.

It is an arithmetic number, because the mean of its divisors is an integer number (126451137).

Almost surely, 2^505804542 is an apocalyptic number.

505804542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

505804542 is a wasteful number, since it uses less digits than its factorization.

505804542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84300762.

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 505804542 is about 22490.0987547854. The cubic root of 505804542 is about 796.7600954446.

The spelling of 505804542 in words is "five hundred five million, eight hundred four thousand, five hundred forty-two".