2133556000 has 48 divisors (see below), whose sum is σ = 5242156920. Its totient is φ = 853420800.

The previous prime is 2133555989. The next prime is 2133556021. The reversal of 2133556000 is 6553312.

It is a happy number.

2133556000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 475763344 + 1657792656 = 21812^2 + 40716^2 .

It is a super-2 number, since 2×2133556000² = 9104122410272000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 262695 + ... + 270694.

Almost surely, 2^2133556000 is an apocalyptic number.

2133556000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133556000 is an abundant number, since it is smaller than the sum of its proper divisors (3108600920).

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

2133556000 is an equidigital number, since it uses as much as digits as its factorization.

2133556000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533414 (or 533396 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2133556000 is about 46190.4319096499. The cubic root of 2133556000 is about 1287.3639658958.

The spelling of 2133556000 in words is "two billion, one hundred thirty-three million, five hundred fifty-six thousand".