505505050590 has 64 divisors (see below), whose sum is σ = 1220763939840. Its totient is φ = 133964772480.

The previous prime is 505505050549. The next prime is 505505050657. The reversal of 505505050590 is 95050505505.

It is a super-4 number, since 4×505505050590⁴ (a number of 48 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3149301 + ... + 3305919.

It is an arithmetic number, because the mean of its divisors is an integer number (19074436560).

Almost surely, 2^505505050590 is an apocalyptic number.

505505050590 is an abundant number, since it is smaller than the sum of its proper divisors (715258889250).

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

505505050590 is a wasteful number, since it uses less digits than its factorization.

505505050590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157297.

The product of its (nonzero) digits is 140625, while the sum is 39.

The spelling of 505505050590 in words is "five hundred five billion, five hundred five million, fifty thousand, five hundred ninety".