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550457104520 = 23568279201547
BaseRepresentation
bin10000000001010011100…
…11001101100010001000
31221121211022011012101102
420000221303031202020
533004314004321040
61100513154040532
754524561121341
oct10005163154210
91847738135342
10550457104520
111a24a1759984
128a822b79148
133cba580413b
141c8dc5410c8
15e4ba6bb515
hex8029ccd888

550457104520 has 32 divisors (see below), whose sum is σ = 1238552769600. Its totient is φ = 220178524608.

The previous prime is 550457104451. The next prime is 550457104529. The reversal of 550457104520 is 25401754055.

It is not an unprimeable number, because it can be changed into a prime (550457104529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2630387 + ... + 2831933.

It is an arithmetic number, because the mean of its divisors is an integer number (38704774050).

Almost surely, 2550457104520 is an apocalyptic number.

It is an amenable number.

550457104520 is an abundant number, since it is smaller than the sum of its proper divisors (688095665080).

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

550457104520 is a wasteful number, since it uses less digits than its factorization.

550457104520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269837 (or 269833 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 38.

Adding to 550457104520 its reverse (25401754055), we get a palindrome (575858858575).

The spelling of 550457104520 in words is "five hundred fifty billion, four hundred fifty-seven million, one hundred four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 68279 136558 201547 273116 341395 403094 546232 682790 806188 1007735 1365580 1612376 2015470 2731160 4030940 8061880 13761427613 27522855226 55045710452 68807138065 110091420904 137614276130 275228552260 550457104520