1650055506 has 16 divisors (see below), whose sum is σ = 3600121248. Its totient is φ = 500016800.

The previous prime is 1650055499. The next prime is 1650055531. The reversal of 1650055506 is 6055500561.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12500355 + ... + 12500486.

It is an arithmetic number, because the mean of its divisors is an integer number (225007578).

Almost surely, 2^1650055506 is an apocalyptic number.

1650055506 is an abundant number, since it is smaller than the sum of its proper divisors (1950065742).

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

1650055506 is a wasteful number, since it uses less digits than its factorization.

1650055506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000857.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 1650055506 is about 40620.8752490638. The cubic root of 1650055506 is about 1181.6790007309.

It can be divided in two parts, 1650055 and 506, that added together give a palindrome (1650561).

The spelling of 1650055506 in words is "one billion, six hundred fifty million, fifty-five thousand, five hundred six".