5481775650 has 96 divisors (see below), whose sum is σ = 14738306688. Its totient is φ = 1340352000.

The previous prime is 5481775639. The next prime is 5481775693. The reversal of 5481775650 is 565771845.

It is a self number, because there is not a number n which added to its sum of digits gives 5481775650.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285142 + ... + 303758.

It is an arithmetic number, because the mean of its divisors is an integer number (153524028).

Almost surely, 2^5481775650 is an apocalyptic number.

5481775650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5481775650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7369153344).

5481775650 is an abundant number, since it is smaller than the sum of its proper divisors (9256531038).

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

5481775650 is a wasteful number, since it uses less digits than its factorization.

5481775650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18796 (or 18791 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 48.

The square root of 5481775650 is about 74039.0143775564. The cubic root of 5481775650 is about 1763.2223647286. Note that the first 3 decimals are identical.

The spelling of 5481775650 in words is "five billion, four hundred eighty-one million, seven hundred seventy-five thousand, six hundred fifty".