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55898810 = 2511508171
BaseRepresentation
bin1101010100111…
…1001010111010
310220011221202022
43111033022322
5103302230220
65314034442
71246063202
oct325171272
9126157668
1055898810
112960a670
1216878a22
13b772326
1475d1402
154d92925
hex354f2ba

55898810 has 16 divisors (see below), whose sum is σ = 109765152. Its totient is φ = 20326800.

The previous prime is 55898807. The next prime is 55898819. The reversal of 55898810 is 1889855.

It is a super-2 number, since 2×558988102 = 6249353918832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55898819) 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, 253976 + ... + 254195.

It is an arithmetic number, because the mean of its divisors is an integer number (6860322).

Almost surely, 255898810 is an apocalyptic number.

55898810 is a deficient number, since it is larger than the sum of its proper divisors (53866342).

55898810 is a wasteful number, since it uses less digits than its factorization.

55898810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508189.

The product of its (nonzero) digits is 115200, while the sum is 44.

The square root of 55898810 is about 7476.5506752780. The cubic root of 55898810 is about 382.3556577275.

The spelling of 55898810 in words is "fifty-five million, eight hundred ninety-eight thousand, eight hundred ten".

Divisors: 1 2 5 10 11 22 55 110 508171 1016342 2540855 5081710 5589881 11179762 27949405 55898810