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550130000 = 2454729271
BaseRepresentation
bin100000110010100…
…101000101010000
31102100011111111012
4200302211011100
52111313130000
6130331110052
716430012360
oct4062450520
91370144435
10550130000
112625968a2
121342a2328
1389c87714
14530c49a0
153346b735
hex20ca5150

550130000 has 200 divisors, whose sum is σ = 1580494080. Its totient is φ = 181440000.

The previous prime is 550129997. The next prime is 550130027. The reversal of 550130000 is 31055.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2029865 + ... + 2030135.

Almost surely, 2550130000 is an apocalyptic number.

550130000 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 550130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790247040).

550130000 is an abundant number, since it is smaller than the sum of its proper divisors (1030364080).

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

550130000 is a wasteful number, since it uses less digits than its factorization.

550130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 550130000 is about 23454.8502446722. The cubic root of 550130000 is about 819.3858181003.

Adding to 550130000 its reverse (31055), we get a palindrome (550161055).

The spelling of 550130000 in words is "five hundred fifty million, one hundred thirty thousand".