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55939097 = 1931731301
BaseRepresentation
bin1101010101100…
…1000000011001
310220021000000102
43111121000121
5103310022342
65314545145
71246321514
oct325310031
9126230012
1055939097
1129637965
12168981b5
13b787776
147601d7b
154d9e832
hex3559019

55939097 has 16 divisors (see below), whose sum is σ = 61662720. Its totient is φ = 50544000.

The previous prime is 55939067. The next prime is 55939109. The reversal of 55939097 is 79093955.

It is a cyclic number.

It is not a de Polignac number, because 55939097 - 210 = 55938073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55939067) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 42347 + ... + 43647.

It is an arithmetic number, because the mean of its divisors is an integer number (3853920).

Almost surely, 255939097 is an apocalyptic number.

It is an amenable number.

55939097 is a deficient number, since it is larger than the sum of its proper divisors (5723623).

55939097 is a wasteful number, since it uses less digits than its factorization.

55939097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424.

The product of its (nonzero) digits is 382725, while the sum is 47.

The square root of 55939097 is about 7479.2444137092. The cubic root of 55939097 is about 382.4474919023.

The spelling of 55939097 in words is "fifty-five million, nine hundred thirty-nine thousand, ninety-seven".

Divisors: 1 19 31 73 589 1301 1387 2263 24719 40331 42997 94973 766289 1804487 2944163 55939097