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55424875 = 5311173233
BaseRepresentation
bin1101001101101…
…1011101101011
310212021212122011
43103123131223
5103142044000
65255540351
71242050362
oct323333553
9125255564
1055424875
1129316590
121668a6b7
13b6376ac
14750a7d9
154cec2ba
hex34db76b

55424875 has 32 divisors (see below), whose sum is σ = 76220352. Its totient is φ = 39904000.

The previous prime is 55424867. The next prime is 55424903. The reversal of 55424875 is 57842455.

It is not a de Polignac number, because 55424875 - 23 = 55424867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237759 + ... + 237991.

It is an arithmetic number, because the mean of its divisors is an integer number (2381886).

Almost surely, 255424875 is an apocalyptic number.

55424875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55424875 is a deficient number, since it is larger than the sum of its proper divisors (20795477).

55424875 is a wasteful number, since it uses less digits than its factorization.

55424875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 422 counting only the distinct ones).

The product of its digits is 224000, while the sum is 40.

The square root of 55424875 is about 7444.7884456175. The cubic root of 55424875 is about 381.2719955060.

The spelling of 55424875 in words is "fifty-five million, four hundred twenty-four thousand, eight hundred seventy-five".

Divisors: 1 5 11 25 55 125 173 233 275 865 1165 1375 1903 2563 4325 5825 9515 12815 21625 29125 40309 47575 64075 201545 237875 320375 443399 1007725 2216995 5038625 11084975 55424875