555738890 has 128 divisors (see below), whose sum is σ = 1247616000. Its totient is φ = 177811200.

The previous prime is 555738889. The next prime is 555738893. The reversal of 555738890 is 98837555.

555738890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (555738893) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3680315 + ... + 3680465.

It is an arithmetic number, because the mean of its divisors is an integer number (9747000).

Almost surely, 2^555738890 is an apocalyptic number.

555738890 is an abundant number, since it is smaller than the sum of its proper divisors (691877110).

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

555738890 is a wasteful number, since it uses less digits than its factorization.

555738890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 50.

The square root of 555738890 is about 23574.1148296177. The cubic root of 555738890 is about 822.1611098222.

The spelling of 555738890 in words is "five hundred fifty-five million, seven hundred thirty-eight thousand, eight hundred ninety".