2091903552 has 84 divisors (see below), whose sum is σ = 6058040716. Its totient is φ = 690094080.

The previous prime is 2091903551. The next prime is 2091903559. The reversal of 2091903552 is 2553091902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1028100096 + 1063803456 = 32064^2 + 32616^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2091903551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37152 + ... + 74592.

Almost surely, 2^2091903552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2091903552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3029020358).

2091903552 is an abundant number, since it is smaller than the sum of its proper divisors (3966137164).

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

2091903552 is a wasteful number, since it uses less digits than its factorization.

2091903552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37556 (or 37543 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 2091903552 is about 45737.3321478199. The cubic root of 2091903552 is about 1278.9313085023.

The spelling of 2091903552 in words is "two billion, ninety-one million, nine hundred three thousand, five hundred fifty-two".