555055590 has 16 divisors (see below), whose sum is σ = 1332133488. Its totient is φ = 148014816.

The previous prime is 555055561. The next prime is 555055597. The reversal of 555055590 is 95550555.

555055590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555055597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9250897 + ... + 9250956.

It is an arithmetic number, because the mean of its divisors is an integer number (83258343).

Almost surely, 2^555055590 is an apocalyptic number.

555055590 is an abundant number, since it is smaller than the sum of its proper divisors (777077898).

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

555055590 is a wasteful number, since it uses less digits than its factorization.

555055590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501863.

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

The square root of 555055590 is about 23559.6177812799. The cubic root of 555055590 is about 821.8240132123.

The spelling of 555055590 in words is "five hundred fifty-five million, fifty-five thousand, five hundred ninety".