3803813550 has 72 divisors (see below), whose sum is σ = 10288348200. Its totient is φ = 1007524800.

The previous prime is 3803813501. The next prime is 3803813591. The reversal of 3803813550 is 553183083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38685 + ... + 95415.

It is an arithmetic number, because the mean of its divisors is an integer number (142893725).

Almost surely, 2^3803813550 is an apocalyptic number.

3803813550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3803813550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5144174100).

3803813550 is an abundant number, since it is smaller than the sum of its proper divisors (6484534650).

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

3803813550 is a wasteful number, since it uses less digits than its factorization.

3803813550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56898 (or 56890 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 3803813550 is about 61675.0642480411. The cubic root of 3803813550 is about 1561.0125945560.

The spelling of 3803813550 in words is "three billion, eight hundred three million, eight hundred thirteen thousand, five hundred fifty".