550504615100 has 72 divisors (see below), whose sum is σ = 1304461259136. Its totient is φ = 199988920000.

The previous prime is 550504615099. The next prime is 550504615139. The reversal of 550504615100 is 1516405055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 891395 + ... + 1376805.

It is an arithmetic number, because the mean of its divisors is an integer number (18117517488).

Almost surely, 2^550504615100 is an apocalyptic number.

550504615100 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 550504615100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652230629568).

550504615100 is an abundant number, since it is smaller than the sum of its proper divisors (753956644036).

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

550504615100 is a wasteful number, since it uses less digits than its factorization.

550504615100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486467 (or 486460 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 550504615100 in words is "five hundred fifty billion, five hundred four million, six hundred fifteen thousand, one hundred".