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55498107 = 3719367379
BaseRepresentation
bin1101001110110…
…1010101111011
310212102121002110
43103231111323
5103201414412
65301303403
71242504030
oct323552573
9125377073
1055498107
1129366605
1216704b63
13b661b22
147529387
154d13d3c
hex34ed57b

55498107 has 32 divisors (see below), whose sum is σ = 89497600. Its totient is φ = 29883168.

The previous prime is 55498099. The next prime is 55498109. The reversal of 55498107 is 70189455.

It is not a de Polignac number, because 55498107 - 23 = 55498099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55498109) by changing a digit.

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, 146244 + ... + 146622.

It is an arithmetic number, because the mean of its divisors is an integer number (2796800).

Almost surely, 255498107 is an apocalyptic number.

55498107 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

55498107 is a deficient number, since it is larger than the sum of its proper divisors (33999493).

55498107 is a wasteful number, since it uses less digits than its factorization.

55498107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 55498107 is about 7449.7051619510. The cubic root of 55498107 is about 381.4398444636.

The spelling of 55498107 in words is "fifty-five million, four hundred ninety-eight thousand, one hundred seven".

Divisors: 1 3 7 19 21 57 133 367 379 399 1101 1137 2569 2653 6973 7201 7707 7959 20919 21603 48811 50407 139093 146433 151221 417279 973651 2642767 2920953 7928301 18499369 55498107