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551424445 = 511134761269
BaseRepresentation
bin100000110111100…
…001000110111101
31102102121021010121
4200313201012331
52112131040240
6130414534541
716444013305
oct4067410675
91372537117
10551424445
112632a0390
12134807451
138a31b970
1453340605
153362504a
hex20de11bd

551424445 has 64 divisors (see below), whose sum is σ = 809948160. Its totient is φ = 355046400.

The previous prime is 551424439. The next prime is 551424451. The reversal of 551424445 is 544424155.

551424445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (551424439) and next prime (551424451).

It is not a de Polignac number, because 551424445 - 23 = 551424437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551424445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2049771 + ... + 2050039.

It is an arithmetic number, because the mean of its divisors is an integer number (12655440).

Almost surely, 2551424445 is an apocalyptic number.

551424445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

551424445 is a deficient number, since it is larger than the sum of its proper divisors (258523715).

551424445 is a wasteful number, since it uses less digits than its factorization.

551424445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its digits is 64000, while the sum is 34.

The square root of 551424445 is about 23482.4284306372. The cubic root of 551424445 is about 820.0279809012.

The spelling of 551424445 in words is "five hundred fifty-one million, four hundred twenty-four thousand, four hundred forty-five".

Divisors: 1 5 11 13 47 55 61 65 143 235 269 305 517 611 671 715 793 1345 2585 2867 2959 3055 3355 3497 3965 6721 8723 12643 14335 14795 16409 17485 31537 33605 37271 38467 43615 63215 82045 139073 157685 164359 180499 186355 192335 213317 409981 695365 771223 821795 902495 1066585 1807949 2049905 2346487 3856115 8483453 9039745 10025899 11732435 42417265 50129495 110284889 551424445