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55627868 = 2245730431
BaseRepresentation
bin1101010000110…
…1000001011100
310212200012002102
43110031001130
5103220042433
65304144232
71243554242
oct324150134
9125605072
1055627868
112944504a
1216768078
13b6a8bca
147560792
154d3c4e8
hex350d05c

55627868 has 12 divisors (see below), whose sum is σ = 97564992. Its totient is φ = 27752160.

The previous prime is 55627843. The next prime is 55627879. The reversal of 55627868 is 86872655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13388 + ... + 17043.

It is an arithmetic number, because the mean of its divisors is an integer number (8130416).

Almost surely, 255627868 is an apocalyptic number.

It is an amenable number.

55627868 is a deficient number, since it is larger than the sum of its proper divisors (41937124).

55627868 is a wasteful number, since it uses less digits than its factorization.

55627868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30892 (or 30890 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 55627868 is about 7458.4092137667. The cubic root of 55627868 is about 381.7368965767.

The spelling of 55627868 in words is "fifty-five million, six hundred twenty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 457 914 1828 30431 60862 121724 13906967 27813934 55627868