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550255485 = 351319148517
BaseRepresentation
bin100000110011000…
…011101101111101
31102100101212121210
4200303003231331
52111331133420
6130333515033
716431044253
oct4063035575
91370355553
10550255485
112626720aa
12134342a79
1389ccc880
14531185d3
15334939e0
hex20cc3b7d

550255485 has 32 divisors (see below), whose sum is σ = 998040960. Its totient is φ = 256635648.

The previous prime is 550255463. The next prime is 550255493. The reversal of 550255485 is 584552055.

It is not a de Polignac number, because 550255485 - 27 = 550255357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70554 + ... + 77963.

It is an arithmetic number, because the mean of its divisors is an integer number (31188780).

Almost surely, 2550255485 is an apocalyptic number.

It is an amenable number.

550255485 is a deficient number, since it is larger than the sum of its proper divisors (447785475).

550255485 is a wasteful number, since it uses less digits than its factorization.

550255485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148557.

The product of its (nonzero) digits is 200000, while the sum is 39.

The square root of 550255485 is about 23457.5251252130. The cubic root of 550255485 is about 819.4481141713.

The spelling of 550255485 in words is "five hundred fifty million, two hundred fifty-five thousand, four hundred eighty-five".

Divisors: 1 3 5 13 15 19 39 57 65 95 195 247 285 741 1235 3705 148517 445551 742585 1930721 2227755 2821823 5792163 8465469 9653605 14109115 28960815 36683699 42327345 110051097 183418495 550255485