550005055590 has 32 divisors (see below), whose sum is σ = 1338094496736. Its totient is φ = 144658863360.

The previous prime is 550005055547. The next prime is 550005055603. The reversal of 550005055590 is 95550500055.

It is a super-2 number, since 2×550005055590² (a number of 24 digits) contains 22 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 15 ways as a sum of consecutive naturals, for example, 125569741 + ... + 125574120.

It is an arithmetic number, because the mean of its divisors is an integer number (41815453023).

Almost surely, 2^550005055590 is an apocalyptic number.

550005055590 is an abundant number, since it is smaller than the sum of its proper divisors (788089441146).

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

550005055590 is a wasteful number, since it uses less digits than its factorization.

550005055590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251143944.

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

The spelling of 550005055590 in words is "five hundred fifty billion, five million, fifty-five thousand, five hundred ninety".