550510400000000 has 936 divisors, whose sum is σ = 1551169830800640. Its totient is φ = 193536000000000.

The previous prime is 550510399999979. The next prime is 550510400000003. The reversal of 550510400000000 is 4015055.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550510400000003) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 545599999496 + ... + 545600000504.

Almost surely, 2^{550510400000000} is an apocalyptic number.

550510400000000 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 550510400000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775584915400320).

550510400000000 is an abundant number, since it is smaller than the sum of its proper divisors (1000659430800640).

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

550510400000000 is an frugal number, since it uses more digits than its factorization.

550510400000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

Adding to 550510400000000 its reverse (4015055), we get a palindrome (550510404015055).

The spelling of 550510400000000 in words is "five hundred fifty trillion, five hundred ten billion, four hundred million", and thus it is an aban number.