2100285550 has 48 divisors (see below), whose sum is σ = 4360828032. Its totient is φ = 745970400.

The previous prime is 2100285541. The next prime is 2100285563. The reversal of 2100285550 is 555820012.

It is a super-2 number, since 2×2100285550² = 8822398783077605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20754 + ... + 68053.

It is an arithmetic number, because the mean of its divisors is an integer number (90850584).

Almost surely, 2^2100285550 is an apocalyptic number.

2100285550 is an abundant number, since it is smaller than the sum of its proper divisors (2260542482).

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

2100285550 is a wasteful number, since it uses less digits than its factorization.

2100285550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88873 (or 88868 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 2100285550 is about 45828.8724495814. The cubic root of 2100285550 is about 1280.6372051157.

The spelling of 2100285550 in words is "two billion, one hundred million, two hundred eighty-five thousand, five hundred fifty".