505805058 has 48 divisors (see below), whose sum is σ = 1199925792. Its totient is φ = 152712000.

The previous prime is 505805057. The next prime is 505805077. The reversal of 505805058 is 850508505.

It is not an unprimeable number, because it can be changed into a prime (505805057) 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, 51093 + ... + 60183.

It is an arithmetic number, because the mean of its divisors is an integer number (24998454).

Almost surely, 2^505805058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505805058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599962896).

505805058 is an abundant number, since it is smaller than the sum of its proper divisors (694120734).

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

505805058 is a wasteful number, since it uses less digits than its factorization.

505805058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9391 (or 9388 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The square root of 505805058 is about 22490.1102264973. The cubic root of 505805058 is about 796.7603663846.

The spelling of 505805058 in words is "five hundred five million, eight hundred five thousand, fifty-eight".