5501881056 has 192 divisors, whose sum is σ = 17172449280. Its totient is φ = 1509580800.

The previous prime is 5501881013. The next prime is 5501881067. The reversal of 5501881056 is 6501881055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1962856 + ... + 1965656.

It is an arithmetic number, because the mean of its divisors is an integer number (89439840).

Almost surely, 2^5501881056 is an apocalyptic number.

5501881056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5501881056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8586224640).

5501881056 is an abundant number, since it is smaller than the sum of its proper divisors (11670568224).

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

5501881056 is a wasteful number, since it uses less digits than its factorization.

5501881056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 39.

The square root of 5501881056 is about 74174.6658637570. The cubic root of 5501881056 is about 1765.3753805718.

Subtracting 5501881056 from its reverse (6501881055), we obtain a palindrome (999999999).

The spelling of 5501881056 in words is "five billion, five hundred one million, eight hundred eighty-one thousand, fifty-six".