505057590 has 48 divisors (see below), whose sum is σ = 1390398048. Its totient is φ = 126759168.

The previous prime is 505057589. The next prime is 505057643. The reversal of 505057590 is 95750505.

It is a happy number.

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, 163522 + ... + 166581.

It is an arithmetic number, because the mean of its divisors is an integer number (28966626).

Almost surely, 2^505057590 is an apocalyptic number.

505057590 is an abundant number, since it is smaller than the sum of its proper divisors (885340458).

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

505057590 is a wasteful number, since it uses less digits than its factorization.

505057590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330133 (or 330130 counting only the distinct ones).

The product of its (nonzero) digits is 39375, while the sum is 36.

The square root of 505057590 is about 22473.4863783971. The cubic root of 505057590 is about 796.3676943631.

The spelling of 505057590 in words is "five hundred five million, fifty-seven thousand, five hundred ninety".