550355503500 has 288 divisors, whose sum is σ = 1895780630016. Its totient is φ = 133295760000.

The previous prime is 550355503487. The next prime is 550355503513. The reversal of 550355503500 is 5305553055.

550355503500 is a `hidden beast` number, since 5 + 50 + 3 + 5 + 550 + 3 + 50 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (550355503487) and next prime (550355503513).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60533955 + ... + 60543045.

It is an arithmetic number, because the mean of its divisors is an integer number (6582571632).

Almost surely, 2^550355503500 is an apocalyptic number.

550355503500 is a gapful number since it is divisible by the number (50) 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 550355503500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947890315008).

550355503500 is an abundant number, since it is smaller than the sum of its proper divisors (1345425126516).

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

550355503500 is a wasteful number, since it uses less digits than its factorization.

550355503500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350 (or 10335 counting only the distinct ones).

The product of its (nonzero) digits is 140625, while the sum is 36.

It can be divided in two parts, 55035 and 5503500, that multiplied together give a square (302885122500 = 550350²).

The spelling of 550355503500 in words is "five hundred fifty billion, three hundred fifty-five million, five hundred three thousand, five hundred".