2133550 has 24 divisors (see below), whose sum is σ = 4030992. Its totient is φ = 840000.

The previous prime is 2133541. The next prime is 2133563. The reversal of 2133550 is 553312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3250 + ... + 3850.

It is an arithmetic number, because the mean of its divisors is an integer number (167958).

2^2133550 is an apocalyptic number.

2133550 is a deficient number, since it is larger than the sum of its proper divisors (1897442).

2133550 is a wasteful number, since it uses less digits than its factorization.

2133550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 2133550 is about 1460.6676555603. The cubic root of 2133550 is about 128.7362759117.

Adding to 2133550 its reverse (553312), we get a palindrome (2686862).

The spelling of 2133550 in words is "two million, one hundred thirty-three thousand, five hundred fifty".