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55348755 = 35711173277
BaseRepresentation
bin1101001100100…
…0111000010011
310212011000012220
43103020320103
5103132130010
65254152123
71241312430
oct323107023
9125130186
1055348755
1129274380
1216652643
13b60bb57
1474cab87
154cd4970
hex34c8e13

55348755 has 64 divisors (see below), whose sum is σ = 111449088. Its totient is φ = 22786560.

The previous prime is 55348747. The next prime is 55348789. The reversal of 55348755 is 55784355.

It is not a de Polignac number, because 55348755 - 23 = 55348747 is a prime.

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, 199677 + ... + 199953.

It is an arithmetic number, because the mean of its divisors is an integer number (1741392).

Almost surely, 255348755 is an apocalyptic number.

55348755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55348755 is an abundant number, since it is smaller than the sum of its proper divisors (56100333).

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

55348755 is a wasteful number, since it uses less digits than its factorization.

55348755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its digits is 420000, while the sum is 42.

The square root of 55348755 is about 7439.6743880361. The cubic root of 55348755 is about 381.0973704193.

Subtracting 55348755 from its reverse (55784355), we obtain a square (435600 = 6602).

The spelling of 55348755 in words is "fifty-five million, three hundred forty-eight thousand, seven hundred fifty-five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 165 173 231 277 385 519 831 865 1155 1211 1385 1903 1939 2595 3047 3633 4155 5709 5817 6055 9141 9515 9695 13321 15235 18165 21329 28545 29085 39963 45705 47921 63987 66605 106645 143763 199815 239605 319935 335447 527131 718815 1006341 1581393 1677235 2635655 3689917 5031705 7906965 11069751 18449585 55348755