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550872055525 = 52112003171111
BaseRepresentation
bin10000000010000101000…
…10000111111011100101
31221122220012221220011011
420001002202013323211
533011141221234100
61101022255542221
754541060133131
oct10010242077345
91848805856134
10550872055525
111a2694a067a0
128a919b2a971
133cc4077b98c
141c93b6b83c1
15e4e1d34bba
hex8042887ee5

550872055525 has 12 divisors (see below), whose sum is σ = 745179653664. Its totient is φ = 400634222000.

The previous prime is 550872055523. The next prime is 550872055549. The reversal of 550872055525 is 525550278055.

It is not a de Polignac number, because 550872055525 - 21 = 550872055523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550872055523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1001585281 + ... + 1001585830.

It is an arithmetic number, because the mean of its divisors is an integer number (62098304472).

Almost surely, 2550872055525 is an apocalyptic number.

550872055525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550872055525 is a deficient number, since it is larger than the sum of its proper divisors (194307598139).

550872055525 is a wasteful number, since it uses less digits than its factorization.

550872055525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003171132 (or 2003171127 counting only the distinct ones).

The product of its (nonzero) digits is 3500000, while the sum is 49.

The spelling of 550872055525 in words is "five hundred fifty billion, eight hundred seventy-two million, fifty-five thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 275 2003171111 10015855555 22034882221 50079277775 110174411105 550872055525