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55743860 = 22510492657
BaseRepresentation
bin1101010010100…
…1010101110100
310212220002012102
43110221111310
5103232300420
65310441232
71244546354
oct324512564
9125802172
1055743860
1129514207
1216803218
13b719943
147590b64
154d61a75
hex3529574

55743860 has 24 divisors (see below), whose sum is σ = 117217800. Its totient is φ = 22267904.

The previous prime is 55743851. The next prime is 55743869. The reversal of 55743860 is 6834755.

55743860 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 (55743851) and next prime (55743869).

It can be written as a sum of positive squares in 4 ways, for example, as 19695844 + 36048016 = 4438^2 + 6004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55743869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19652 + ... + 22308.

It is an arithmetic number, because the mean of its divisors is an integer number (4884075).

Almost surely, 255743860 is an apocalyptic number.

It is an amenable number.

55743860 is an abundant number, since it is smaller than the sum of its proper divisors (61473940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55743860 is a wasteful number, since it uses less digits than its factorization.

55743860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715 (or 3713 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 55743860 is about 7466.1810854010. The cubic root of 55743860 is about 382.0020375795.

The spelling of 55743860 in words is "fifty-five million, seven hundred forty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 1049 2098 2657 4196 5245 5314 10490 10628 13285 20980 26570 53140 2787193 5574386 11148772 13935965 27871930 55743860