609104550 has 48 divisors (see below), whose sum is σ = 1520773200. Its totient is φ = 161331840.

The previous prime is 609104549. The next prime is 609104623. The reversal of 609104550 is 55401906.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8724 + ... + 35976.

It is an arithmetic number, because the mean of its divisors is an integer number (31682775).

Almost surely, 2^609104550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609104550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760386600).

609104550 is an abundant number, since it is smaller than the sum of its proper divisors (911668650).

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

609104550 is a wasteful number, since it uses less digits than its factorization.

609104550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27417 (or 27412 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 609104550 is about 24680.0435574980. The cubic root of 609104550 is about 847.6774195432.

The spelling of 609104550 in words is "six hundred nine million, one hundred four thousand, five hundred fifty".